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doc-exports/docs/dli/sqlreference/ALL_META.TXT.json
Su, Xiaomeng 04d4597cf3 dli_sqlreference_0511_version 
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
Co-authored-by: Su, Xiaomeng <suxiaomeng1@huawei.com>
Co-committed-by: Su, Xiaomeng <suxiaomeng1@huawei.com>
2023-11-02 14:34:08 +00:00

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[
{
"uri":"dli_08_0221.html",
"product_code":"dli",
"code":"1",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"Spark SQL Syntax Reference",
"title":"Spark SQL Syntax Reference",
"githuburl":""
},
{
"uri":"dli_08_0266.html",
"product_code":"dli",
"code":"2",
"des":"This section describes the common configuration items of the SQL syntax for DLI batch jobs.",
"doc_type":"sqlreference",
"kw":"Common Configuration Items of Batch SQL Jobs,Spark SQL Syntax Reference,SQL Syntax Reference",
"title":"Common Configuration Items of Batch SQL Jobs",
"githuburl":""
},
{
"uri":"dli_08_0219.html",
"product_code":"dli",
"code":"3",
"des":"This section describes the Spark SQL syntax list provided by DLI. For details about the parameters and examples, see the syntax description.",
"doc_type":"sqlreference",
"kw":"SQL Syntax Overview of Batch Jobs,Spark SQL Syntax Reference,SQL Syntax Reference",
"title":"SQL Syntax Overview of Batch Jobs",
"githuburl":""
},
{
"uri":"dli_08_0070.html",
"product_code":"dli",
"code":"4",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"Databases",
"title":"Databases",
"githuburl":""
},
{
"uri":"dli_08_0071.html",
"product_code":"dli",
"code":"5",
"des":"This statement is used to create a database.IF NOT EXISTS: Prevents system errors if the database to be created exists.COMMENT: Describes a database.DBPROPERTIES: Specifi",
"doc_type":"sqlreference",
"kw":"Creating a Database,Databases,SQL Syntax Reference",
"title":"Creating a Database",
"githuburl":""
},
{
"uri":"dli_08_0072.html",
"product_code":"dli",
"code":"6",
"des":"This statement is used to delete a database.IF EXISTS: Prevents system errors if the database to be deleted does not exist.DATABASE and SCHEMA can be used interchangeably",
"doc_type":"sqlreference",
"kw":"Deleting a Database,Databases,SQL Syntax Reference",
"title":"Deleting a Database",
"githuburl":""
},
{
"uri":"dli_08_0073.html",
"product_code":"dli",
"code":"7",
"des":"This syntax is used to view the information about a specified database, including the database name and database description.EXTENDED: Displays the database properties.If",
"doc_type":"sqlreference",
"kw":"Viewing a Specified Database,Databases,SQL Syntax Reference",
"title":"Viewing a Specified Database",
"githuburl":""
},
{
"uri":"dli_08_0074.html",
"product_code":"dli",
"code":"8",
"des":"This syntax is used to query all current databases.NoneKeyword DATABASES is equivalent to SCHEMAS. You can use either of them in this statement.View all the current datab",
"doc_type":"sqlreference",
"kw":"Viewing All Databases,Databases,SQL Syntax Reference",
"title":"Viewing All Databases",
"githuburl":""
},
{
"uri":"dli_08_0223.html",
"product_code":"dli",
"code":"9",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"Creating an OBS Table",
"title":"Creating an OBS Table",
"githuburl":""
},
{
"uri":"dli_08_0076.html",
"product_code":"dli",
"code":"10",
"des":"Create an OBS table using the DataSource syntax.The main differences between the DataSource and the Hive syntax lie in the supported data formats and the number of suppor",
"doc_type":"sqlreference",
"kw":"Creating an OBS Table Using the DataSource Syntax,Creating an OBS Table,SQL Syntax Reference",
"title":"Creating an OBS Table Using the DataSource Syntax",
"githuburl":""
},
{
"uri":"dli_08_0077.html",
"product_code":"dli",
"code":"11",
"des":"This statement is used to create an OBS table using the Hive syntax. The main differences between the DataSource and the Hive syntax lie in the supported data formats and",
"doc_type":"sqlreference",
"kw":"Creating an OBS Table Using the Hive Syntax,Creating an OBS Table,SQL Syntax Reference",
"title":"Creating an OBS Table Using the Hive Syntax",
"githuburl":""
},
{
"uri":"dli_08_0224.html",
"product_code":"dli",
"code":"12",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"Creating a DLI Table",
"title":"Creating a DLI Table",
"githuburl":""
},
{
"uri":"dli_08_0098.html",
"product_code":"dli",
"code":"13",
"des":"This DataSource syntax can be used to create a DLI table. The main differences between the DataSource and the Hive syntax lie in the supported data formats and the number",
"doc_type":"sqlreference",
"kw":"Creating a DLI Table Using the DataSource Syntax,Creating a DLI Table,SQL Syntax Reference",
"title":"Creating a DLI Table Using the DataSource Syntax",
"githuburl":""
},
{
"uri":"dli_08_0204.html",
"product_code":"dli",
"code":"14",
"des":"This Hive syntax is used to create a DLI table. The main differences between the DataSource and the Hive syntax lie in the supported data formats and the number of suppor",
"doc_type":"sqlreference",
"kw":"Creating a DLI Table Using the Hive Syntax,Creating a DLI Table,SQL Syntax Reference",
"title":"Creating a DLI Table Using the Hive Syntax",
"githuburl":""
},
{
"uri":"dli_08_0087.html",
"product_code":"dli",
"code":"15",
"des":"This statement is used to delete tables.If the table is stored in OBS, only the metadata is deleted. The data stored on OBS is not deleted.If the table is stored in DLI, ",
"doc_type":"sqlreference",
"kw":"Deleting a Table,Spark SQL Syntax Reference,SQL Syntax Reference",
"title":"Deleting a Table",
"githuburl":""
},
{
"uri":"dli_08_0089.html",
"product_code":"dli",
"code":"16",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"Viewing Tables",
"title":"Viewing Tables",
"githuburl":""
},
{
"uri":"dli_08_0090.html",
"product_code":"dli",
"code":"17",
"des":"This statement is used to view all tables and views in the current database.FROM/IN: followed by the name of a database whose tables and views will be displayed.NoneCreat",
"doc_type":"sqlreference",
"kw":"Viewing All Tables,Viewing Tables,SQL Syntax Reference",
"title":"Viewing All Tables",
"githuburl":""
},
{
"uri":"dli_08_0091.html",
"product_code":"dli",
"code":"18",
"des":"This statement is used to show the statements for creating a table.CREATE TABLE: statement for creating a tableThe table specified in this statement must exist. Otherwise",
"doc_type":"sqlreference",
"kw":"Viewing Table Creation Statements,Viewing Tables,SQL Syntax Reference",
"title":"Viewing Table Creation Statements",
"githuburl":""
},
{
"uri":"dli_08_0092.html",
"product_code":"dli",
"code":"19",
"des":"Check the properties of a table.TBLPROPERTIES: This statement allows you to add a key/value property to a table.property_name is case sensitive. You cannot specify multip",
"doc_type":"sqlreference",
"kw":"Viewing Table Properties,Viewing Tables,SQL Syntax Reference",
"title":"Viewing Table Properties",
"githuburl":""
},
{
"uri":"dli_08_0093.html",
"product_code":"dli",
"code":"20",
"des":"This statement is used to query all columns in a specified table.COLUMNS: columns in the current tableFROM/IN: followed by the name of a database whose tables and views w",
"doc_type":"sqlreference",
"kw":"Viewing All Columns in a Specified Table,Viewing Tables,SQL Syntax Reference",
"title":"Viewing All Columns in a Specified Table",
"githuburl":""
},
{
"uri":"dli_08_0094.html",
"product_code":"dli",
"code":"21",
"des":"This statement is used to view all partitions in a specified table.PARTITIONS: partitions in a specified tablePARTITION: a specified partitionThe table specified in this ",
"doc_type":"sqlreference",
"kw":"Viewing All Partitions in a Specified Table,Viewing Tables,SQL Syntax Reference",
"title":"Viewing All Partitions in a Specified Table",
"githuburl":""
},
{
"uri":"dli_08_0105.html",
"product_code":"dli",
"code":"22",
"des":"This statement is used to view the table statistics. The names and data types of all columns in a specified table will be returned.EXTENDED: displays all metadata of the ",
"doc_type":"sqlreference",
"kw":"Viewing Table Statistics,Viewing Tables,SQL Syntax Reference",
"title":"Viewing Table Statistics",
"githuburl":""
},
{
"uri":"dli_08_0262.html",
"product_code":"dli",
"code":"23",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"Modifying a Table",
"title":"Modifying a Table",
"githuburl":""
},
{
"uri":"dli_08_0263.html",
"product_code":"dli",
"code":"24",
"des":"This statement is used to add one or more new columns to a table.ADD COLUMNS: columns to addCOMMENT: column descriptionDo not run this SQL statement concurrently. Otherwi",
"doc_type":"sqlreference",
"kw":"Adding a Column,Modifying a Table,SQL Syntax Reference",
"title":"Adding a Column",
"githuburl":""
},
{
"uri":"dli_08_0354.html",
"product_code":"dli",
"code":"25",
"des":"DLI controls multiple versions of backup data for restoration. After the multiversion function is enabled, the system automatically backs up table data when you delete or",
"doc_type":"sqlreference",
"kw":"Enabling or Disabling Multiversion Backup,Modifying a Table,SQL Syntax Reference",
"title":"Enabling or Disabling Multiversion Backup",
"githuburl":""
},
{
"uri":"dli_08_0080.html",
"product_code":"dli",
"code":"26",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"Syntax for Partitioning a Table",
"title":"Syntax for Partitioning a Table",
"githuburl":""
},
{
"uri":"dli_08_0081.html",
"product_code":"dli",
"code":"27",
"des":"After an OBS partitioned table is created, no partition information is generated for the table. Partition information is generated only after you:Insert data to the OBS p",
"doc_type":"sqlreference",
"kw":"Adding Partition Data (Only OBS Tables Supported),Syntax for Partitioning a Table,SQL Syntax Referen",
"title":"Adding Partition Data (Only OBS Tables Supported)",
"githuburl":""
},
{
"uri":"dli_08_0082.html",
"product_code":"dli",
"code":"28",
"des":"This statement is used to rename partitions.PARTITION: a specified partitionRENAME: new name of the partitionThis statement is used for OBS table operations.The table and",
"doc_type":"sqlreference",
"kw":"Renaming a Partition (Only OBS Tables Supported),Syntax for Partitioning a Table,SQL Syntax Referenc",
"title":"Renaming a Partition (Only OBS Tables Supported)",
"githuburl":""
},
{
"uri":"dli_08_0083.html",
"product_code":"dli",
"code":"29",
"des":"Deletes one or more partitions from a partitioned table.The table in which partitions are to be deleted must exist. Otherwise, an error is reported.The to-be-deleted part",
"doc_type":"sqlreference",
"kw":"Deleting a Partition,Syntax for Partitioning a Table,SQL Syntax Reference",
"title":"Deleting a Partition",
"githuburl":""
},
{
"uri":"dli_08_0343.html",
"product_code":"dli",
"code":"30",
"des":"This statement is used to delete one or more partitions based on specified conditions.This statement is used for OBS table operations only.The table in which partitions a",
"doc_type":"sqlreference",
"kw":"Deleting Partitions by Specifying Filter Criteria (Only OBS Tables Supported),Syntax for Partitionin",
"title":"Deleting Partitions by Specifying Filter Criteria (Only OBS Tables Supported)",
"githuburl":""
},
{
"uri":"dli_08_0084.html",
"product_code":"dli",
"code":"31",
"des":"This statement is used to modify the positions of table partitions.PARTITION: a specified partitionLOCATION: path of the partitionFor a table partition whose position is ",
"doc_type":"sqlreference",
"kw":"Altering the Partition Location of a Table (Only OBS Tables Supported),Syntax for Partitioning a Tab",
"title":"Altering the Partition Location of a Table (Only OBS Tables Supported)",
"githuburl":""
},
{
"uri":"dli_08_0079.html",
"product_code":"dli",
"code":"32",
"des":"This statement is used to update the partition information about a table in the Metastore.OrPARTITIONS: partition informationSERDEPROPERTIES: Serde attributeThis statemen",
"doc_type":"sqlreference",
"kw":"Updating Partitioned Table Data (Only OBS Tables Supported),Syntax for Partitioning a Table,SQL Synt",
"title":"Updating Partitioned Table Data (Only OBS Tables Supported)",
"githuburl":""
},
{
"uri":"dli_08_0359.html",
"product_code":"dli",
"code":"33",
"des":"Spark caches Parquet metadata to improve performance. If you update a Parquet table, the cached metadata is not updated. Spark SQL cannot find the newly inserted data and",
"doc_type":"sqlreference",
"kw":"Updating Table Metadata with REFRESH TABLE,Syntax for Partitioning a Table,SQL Syntax Reference",
"title":"Updating Table Metadata with REFRESH TABLE",
"githuburl":""
},
{
"uri":"dli_08_0100.html",
"product_code":"dli",
"code":"34",
"des":"The LOAD DATA function can be used to import data in CSV, Parquet, ORC, JSON, and Avro formats. The data is converted into the Parquet data format for storage.INPATH: pat",
"doc_type":"sqlreference",
"kw":"Importing Data to the Table,Spark SQL Syntax Reference,SQL Syntax Reference",
"title":"Importing Data to the Table",
"githuburl":""
},
{
"uri":"dli_08_0095.html",
"product_code":"dli",
"code":"35",
"des":"This statement is used to insert the SELECT query result or a certain data record into a table.Insert the SELECT query result into a table.INSERT INTO [TABLE] [db_name.]t",
"doc_type":"sqlreference",
"kw":"Inserting Data,Spark SQL Syntax Reference,SQL Syntax Reference",
"title":"Inserting Data",
"githuburl":""
},
{
"uri":"dli_08_0217.html",
"product_code":"dli",
"code":"36",
"des":"This statement is used to delete data from the DLI or OBS table.Only data in the DLI or OBS table can be deleted.",
"doc_type":"sqlreference",
"kw":"Clearing Data,Spark SQL Syntax Reference,SQL Syntax Reference",
"title":"Clearing Data",
"githuburl":""
},
{
"uri":"dli_08_0205.html",
"product_code":"dli",
"code":"37",
"des":"This statement is used to directly write query results to a specified directory. The query results can be stored in CSV, Parquet, ORC, JSON, or Avro format.USING: Specifi",
"doc_type":"sqlreference",
"kw":"Exporting Search Results,Spark SQL Syntax Reference,SQL Syntax Reference",
"title":"Exporting Search Results",
"githuburl":""
},
{
"uri":"dli_08_0349.html",
"product_code":"dli",
"code":"38",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"Backing Up and Restoring Data of Multiple Versions",
"title":"Backing Up and Restoring Data of Multiple Versions",
"githuburl":""
},
{
"uri":"dli_08_0350.html",
"product_code":"dli",
"code":"39",
"des":"After multiversion is enabled, backup data is retained for seven days by default. You can change the retention period by setting system parameterdli.multi.version.retenti",
"doc_type":"sqlreference",
"kw":"Setting the Retention Period for Multiversion Backup Data,Backing Up and Restoring Data of Multiple ",
"title":"Setting the Retention Period for Multiversion Backup Data",
"githuburl":""
},
{
"uri":"dli_08_0351.html",
"product_code":"dli",
"code":"40",
"des":"After the multiversion function is enabled, you can run the SHOW HISTORY command to view the backup data of a table. For details about the syntax for enabling or disablin",
"doc_type":"sqlreference",
"kw":"Viewing Multiversion Backup Data,Backing Up and Restoring Data of Multiple Versions,SQL Syntax Refer",
"title":"Viewing Multiversion Backup Data",
"githuburl":""
},
{
"uri":"dli_08_0352.html",
"product_code":"dli",
"code":"41",
"des":"After the multiversion function is enabled, you can run the RESTORE TABLE statement to restore a table or partition of a specified version. For details about the syntax f",
"doc_type":"sqlreference",
"kw":"Restoring Multiversion Backup Data,Backing Up and Restoring Data of Multiple Versions,SQL Syntax Ref",
"title":"Restoring Multiversion Backup Data",
"githuburl":""
},
{
"uri":"dli_08_0353.html",
"product_code":"dli",
"code":"42",
"des":"After the multiversion function is enabled, expired backup data will be directly deleted by the system when theinsert overwrite or truncate statement is executed. You can",
"doc_type":"sqlreference",
"kw":"Configuring the Trash Bin for Expired Multiversion Data,Backing Up and Restoring Data of Multiple Ve",
"title":"Configuring the Trash Bin for Expired Multiversion Data",
"githuburl":""
},
{
"uri":"dli_08_0355.html",
"product_code":"dli",
"code":"43",
"des":"The retention period of multiversion backup data takes effect each time the insert overwrite or truncate statement is executed. If neither statement is executed for the t",
"doc_type":"sqlreference",
"kw":"Deleting Multiversion Backup Data,Backing Up and Restoring Data of Multiple Versions,SQL Syntax Refe",
"title":"Deleting Multiversion Backup Data",
"githuburl":""
},
{
"uri":"dli_08_0118.html",
"product_code":"dli",
"code":"44",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"Creating a Datasource Connection with an HBase Table",
"title":"Creating a Datasource Connection with an HBase Table",
"githuburl":""
},
{
"uri":"dli_08_0119.html",
"product_code":"dli",
"code":"45",
"des":"This statement is used to create a DLI table and associate it with an existing HBase table.Before creating a DLI table and associating it with HBase, you need to create a",
"doc_type":"sqlreference",
"kw":"Creating a DLI Table and Associating It with HBase,Creating a Datasource Connection with an HBase Ta",
"title":"Creating a DLI Table and Associating It with HBase",
"githuburl":""
},
{
"uri":"dli_08_0120.html",
"product_code":"dli",
"code":"46",
"des":"This statement is used to insert data in a DLI table to the associated HBase table.Insert the SELECT query result into a table.INSERT INTO DLI_TABLE\n SELECT field1,field",
"doc_type":"sqlreference",
"kw":"Inserting Data to an HBase Table,Creating a Datasource Connection with an HBase Table,SQL Syntax Ref",
"title":"Inserting Data to an HBase Table",
"githuburl":""
},
{
"uri":"dli_08_0121.html",
"product_code":"dli",
"code":"47",
"des":"This statement is used to query data in an HBase table.LIMIT is used to limit the query results. Only INT type is supported by the number parameter.The table to be querie",
"doc_type":"sqlreference",
"kw":"Querying an HBase Table,Creating a Datasource Connection with an HBase Table,SQL Syntax Reference",
"title":"Querying an HBase Table",
"githuburl":""
},
{
"uri":"dli_08_0220.html",
"product_code":"dli",
"code":"48",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"Creating a Datasource Connection with an OpenTSDB Table",
"title":"Creating a Datasource Connection with an OpenTSDB Table",
"githuburl":""
},
{
"uri":"dli_08_0122.html",
"product_code":"dli",
"code":"49",
"des":"Run the CREATE TABLE statement to create the DLI table and associate it with the existing metric in OpenTSDB. This syntax supports the OpenTSDB of CloudTable and MRS.Befo",
"doc_type":"sqlreference",
"kw":"Creating a DLI Table and Associating It with OpenTSDB,Creating a Datasource Connection with an OpenT",
"title":"Creating a DLI Table and Associating It with OpenTSDB",
"githuburl":""
},
{
"uri":"dli_08_0123.html",
"product_code":"dli",
"code":"50",
"des":"Run the INSERT INTO statement to insert the data in the DLI table to the associated OpenTSDB metric.If no metric exists on the OpenTSDB, a new metric is automatically cre",
"doc_type":"sqlreference",
"kw":"Inserting Data to the OpenTSDB Table,Creating a Datasource Connection with an OpenTSDB Table,SQL Syn",
"title":"Inserting Data to the OpenTSDB Table",
"githuburl":""
},
{
"uri":"dli_08_0124.html",
"product_code":"dli",
"code":"51",
"des":"This SELECT command is used to query data in an OpenTSDB table.If no metric exists in OpenTSDB, an error will be reported when the corresponding DLI table is queried.If t",
"doc_type":"sqlreference",
"kw":"Querying an OpenTSDB Table,Creating a Datasource Connection with an OpenTSDB Table,SQL Syntax Refere",
"title":"Querying an OpenTSDB Table",
"githuburl":""
},
{
"uri":"dli_08_0192.html",
"product_code":"dli",
"code":"52",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"Creating a Datasource Connection with a DWS table",
"title":"Creating a Datasource Connection with a DWS table",
"githuburl":""
},
{
"uri":"dli_08_0193.html",
"product_code":"dli",
"code":"53",
"des":"This statement is used to create a DLI table and associate it with an existing DWS table.Before creating a DLI table and associating it with DWS, you need to create a dat",
"doc_type":"sqlreference",
"kw":"Creating a DLI Table and Associating It with DWS,Creating a Datasource Connection with a DWS table,S",
"title":"Creating a DLI Table and Associating It with DWS",
"githuburl":""
},
{
"uri":"dli_08_0194.html",
"product_code":"dli",
"code":"54",
"des":"This statement is used to insert data in a DLI table to the associated DWS table.Insert the SELECT query result into a table.INSERT INTO DLI_TABLE\n SELECT field1,field2.",
"doc_type":"sqlreference",
"kw":"Inserting Data to the DWS Table,Creating a Datasource Connection with a DWS table,SQL Syntax Referen",
"title":"Inserting Data to the DWS Table",
"githuburl":""
},
{
"uri":"dli_08_0195.html",
"product_code":"dli",
"code":"55",
"des":"This statement is used to query data in a DWS table.LIMIT is used to limit the query results. Only INT type is supported by the number parameter.The table to be queried m",
"doc_type":"sqlreference",
"kw":"Querying the DWS Table,Creating a Datasource Connection with a DWS table,SQL Syntax Reference",
"title":"Querying the DWS Table",
"githuburl":""
},
{
"uri":"dli_08_0196.html",
"product_code":"dli",
"code":"56",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"Creating a Datasource Connection with an RDS Table",
"title":"Creating a Datasource Connection with an RDS Table",
"githuburl":""
},
{
"uri":"dli_08_0197.html",
"product_code":"dli",
"code":"57",
"des":"This statement is used to create a DLI table and associate it with an existing RDS table. This function supports access to the MySQL and PostgreSQL clusters of RDS.Before",
"doc_type":"sqlreference",
"kw":"Creating a DLI Table and Associating It with RDS,Creating a Datasource Connection with an RDS Table,",
"title":"Creating a DLI Table and Associating It with RDS",
"githuburl":""
},
{
"uri":"dli_08_0198.html",
"product_code":"dli",
"code":"58",
"des":"This statement is used to insert data in a DLI table to the associated RDS table.Insert the SELECT query result into a table.INSERT INTO DLI_TABLE\n SELECT field1,field2.",
"doc_type":"sqlreference",
"kw":"Inserting Data to the RDS Table,Creating a Datasource Connection with an RDS Table,SQL Syntax Refere",
"title":"Inserting Data to the RDS Table",
"githuburl":""
},
{
"uri":"dli_08_0199.html",
"product_code":"dli",
"code":"59",
"des":"This statement is used to query data in an RDS table.LIMIT is used to limit the query results. Only INT type is supported by the number parameter.The table to be queried ",
"doc_type":"sqlreference",
"kw":"Querying the RDS Table,Creating a Datasource Connection with an RDS Table,SQL Syntax Reference",
"title":"Querying the RDS Table",
"githuburl":""
},
{
"uri":"dli_08_0200.html",
"product_code":"dli",
"code":"60",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"Creating a Datasource Connection with a CSS Table",
"title":"Creating a Datasource Connection with a CSS Table",
"githuburl":""
},
{
"uri":"dli_08_0201.html",
"product_code":"dli",
"code":"61",
"des":"This statement is used to create a DLI table and associate it with an existing CSS table.Before creating a DLI table and associating it with CSS, you need to create a dat",
"doc_type":"sqlreference",
"kw":"Creating a DLI Table and Associating It with CSS,Creating a Datasource Connection with a CSS Table,S",
"title":"Creating a DLI Table and Associating It with CSS",
"githuburl":""
},
{
"uri":"dli_08_0202.html",
"product_code":"dli",
"code":"62",
"des":"This statement is used to insert data in a DLI table to the associated CSS table.Insert the SELECT query result into a table.INSERT INTO DLI_TABLE\n SELECT field1,field2.",
"doc_type":"sqlreference",
"kw":"Inserting Data to the CSS Table,Creating a Datasource Connection with a CSS Table,SQL Syntax Referen",
"title":"Inserting Data to the CSS Table",
"githuburl":""
},
{
"uri":"dli_08_0203.html",
"product_code":"dli",
"code":"63",
"des":"This statement is used to query data in a CSS table.LIMIT is used to limit the query results. Only INT type is supported by the number parameter.The table to be queried m",
"doc_type":"sqlreference",
"kw":"Querying the CSS Table,Creating a Datasource Connection with a CSS Table,SQL Syntax Reference",
"title":"Querying the CSS Table",
"githuburl":""
},
{
"uri":"dli_08_0225.html",
"product_code":"dli",
"code":"64",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"Creating a Datasource Connection with a DCS Table",
"title":"Creating a Datasource Connection with a DCS Table",
"githuburl":""
},
{
"uri":"dli_08_0226.html",
"product_code":"dli",
"code":"65",
"des":"This statement is used to create a DLI table and associate it with an existing DCS key.Before creating a DLI table and associating it with DCS, you need to create a datas",
"doc_type":"sqlreference",
"kw":"Creating a DLI Table and Associating It with DCS,Creating a Datasource Connection with a DCS Table,S",
"title":"Creating a DLI Table and Associating It with DCS",
"githuburl":""
},
{
"uri":"dli_08_0227.html",
"product_code":"dli",
"code":"66",
"des":"This statement is used to insert data in a DLI table to the DCS key.Insert the SELECT query result into a table.INSERT INTO DLI_TABLE\n SELECT field1,field2...\n [FROM DL",
"doc_type":"sqlreference",
"kw":"Inserting Data to a DCS Table,Creating a Datasource Connection with a DCS Table,SQL Syntax Reference",
"title":"Inserting Data to a DCS Table",
"githuburl":""
},
{
"uri":"dli_08_0228.html",
"product_code":"dli",
"code":"67",
"des":"This statement is used to query data in a DCS table.LIMIT is used to limit the query results. Only INT type is supported by the number parameter.Query data in the test_re",
"doc_type":"sqlreference",
"kw":"Querying the DCS Table,Creating a Datasource Connection with a DCS Table,SQL Syntax Reference",
"title":"Querying the DCS Table",
"githuburl":""
},
{
"uri":"dli_08_0229.html",
"product_code":"dli",
"code":"68",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"Creating a Datasource Connection with a DDS Table",
"title":"Creating a Datasource Connection with a DDS Table",
"githuburl":""
},
{
"uri":"dli_08_0230.html",
"product_code":"dli",
"code":"69",
"des":"This statement is used to create a DLI table and associate it with an existing DDS collection.Before creating a DLI table and associating it with DDS, you need to create ",
"doc_type":"sqlreference",
"kw":"Creating a DLI Table and Associating It with DDS,Creating a Datasource Connection with a DDS Table,S",
"title":"Creating a DLI Table and Associating It with DDS",
"githuburl":""
},
{
"uri":"dli_08_0231.html",
"product_code":"dli",
"code":"70",
"des":"This statement is used to insert data in a DLI table to the associated DDS table.Insert the SELECT query result into a table.INSERT INTO DLI_TABLE\n SELECT field1,field2.",
"doc_type":"sqlreference",
"kw":"Inserting Data to the DDS Table,Creating a Datasource Connection with a DDS Table,SQL Syntax Referen",
"title":"Inserting Data to the DDS Table",
"githuburl":""
},
{
"uri":"dli_08_0232.html",
"product_code":"dli",
"code":"71",
"des":"This statement is used to query data in a DDS table.LIMIT is used to limit the query results. Only INT type is supported by the number parameter.If schema information is ",
"doc_type":"sqlreference",
"kw":"Querying the DDS Table,Creating a Datasource Connection with a DDS Table,SQL Syntax Reference",
"title":"Querying the DDS Table",
"githuburl":""
},
{
"uri":"dli_08_0129.html",
"product_code":"dli",
"code":"72",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"Views",
"title":"Views",
"githuburl":""
},
{
"uri":"dli_08_0130.html",
"product_code":"dli",
"code":"73",
"des":"This statement is used to create views.CREATE VIEW: creates views based on the given select statement. The result of the select statement will not be written into the dis",
"doc_type":"sqlreference",
"kw":"Creating a View,Views,SQL Syntax Reference",
"title":"Creating a View",
"githuburl":""
},
{
"uri":"dli_08_0131.html",
"product_code":"dli",
"code":"74",
"des":"This statement is used to delete views.DROP: Deletes the metadata of a specified view. Although views and tables have many common points, the DROP TABLE statement cannot ",
"doc_type":"sqlreference",
"kw":"Deleting a View,Views,SQL Syntax Reference",
"title":"Deleting a View",
"githuburl":""
},
{
"uri":"dli_08_0138.html",
"product_code":"dli",
"code":"75",
"des":"This statement returns the logical plan and physical execution plan for the SQL statement.EXTENDED: After this keyword is specified, the logical and physical plans are ou",
"doc_type":"sqlreference",
"kw":"Viewing the Execution Plan,Spark SQL Syntax Reference,SQL Syntax Reference",
"title":"Viewing the Execution Plan",
"githuburl":""
},
{
"uri":"dli_08_0139.html",
"product_code":"dli",
"code":"76",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"Data Permissions Management",
"title":"Data Permissions Management",
"githuburl":""
},
{
"uri":"dli_08_0140.html",
"product_code":"dli",
"code":"77",
"des":"Table 1 describes the SQL statement permission matrix in DLI in terms of permissions on databases, tables, and roles.For privilege granting or revocation on databases and",
"doc_type":"sqlreference",
"kw":"Data Permissions List,Data Permissions Management,SQL Syntax Reference",
"title":"Data Permissions List",
"githuburl":""
},
{
"uri":"dli_08_0141.html",
"product_code":"dli",
"code":"78",
"des":"This statement is used to create a role in the current database or a specified database.Only users with the CREATE_ROLE permission on the database can create roles. For e",
"doc_type":"sqlreference",
"kw":"Creating a Role,Data Permissions Management,SQL Syntax Reference",
"title":"Creating a Role",
"githuburl":""
},
{
"uri":"dli_08_0148.html",
"product_code":"dli",
"code":"79",
"des":"This statement is used to delete a role in the current database or a specified database.NoneThe role_name to be deleted must exist in the current database or the specifie",
"doc_type":"sqlreference",
"kw":"Deleting a Role,Data Permissions Management,SQL Syntax Reference",
"title":"Deleting a Role",
"githuburl":""
},
{
"uri":"dli_08_0142.html",
"product_code":"dli",
"code":"80",
"des":"This statement is used to bind a user with a role.NoneThe role_name and username must exist. Otherwise, an error will be reported.",
"doc_type":"sqlreference",
"kw":"Binding a Role,Data Permissions Management,SQL Syntax Reference",
"title":"Binding a Role",
"githuburl":""
},
{
"uri":"dli_08_0147.html",
"product_code":"dli",
"code":"81",
"des":"This statement is used to unbind the user with the role.Nonerole_name and user_name must exist and user_name has been bound to role_name.To unbind the user_name1 from rol",
"doc_type":"sqlreference",
"kw":"Unbinding a Role,Data Permissions Management,SQL Syntax Reference",
"title":"Unbinding a Role",
"githuburl":""
},
{
"uri":"dli_08_0143.html",
"product_code":"dli",
"code":"82",
"des":"This statement is used to display all roles or roles bound to the user_name in the current database.ALL: Displays all roles.Keywords ALL and user_name cannot coexist.To d",
"doc_type":"sqlreference",
"kw":"Displaying a Role,Data Permissions Management,SQL Syntax Reference",
"title":"Displaying a Role",
"githuburl":""
},
{
"uri":"dli_08_0144.html",
"product_code":"dli",
"code":"83",
"des":"This statement is used to grant permissions to a user or role.ROLE: The subsequent role_name must be a role.USER: The subsequent user_name must be a user.The privilege mu",
"doc_type":"sqlreference",
"kw":"Granting a Permission,Data Permissions Management,SQL Syntax Reference",
"title":"Granting a Permission",
"githuburl":""
},
{
"uri":"dli_08_0146.html",
"product_code":"dli",
"code":"84",
"des":"This statement is used to revoke permissions granted to a user or role.ROLE: The subsequent role_name must be a role.USER: The subsequent user_name must be a user.The pri",
"doc_type":"sqlreference",
"kw":"Revoking a Permission,Data Permissions Management,SQL Syntax Reference",
"title":"Revoking a Permission",
"githuburl":""
},
{
"uri":"dli_08_0145.html",
"product_code":"dli",
"code":"85",
"des":"This statement is used to show the permissions granted to a user or role in the resource.ROLE: The subsequent role_name must be a role.USER: The subsequent user_name must",
"doc_type":"sqlreference",
"kw":"Displaying the Granted Permissions,Data Permissions Management,SQL Syntax Reference",
"title":"Displaying the Granted Permissions",
"githuburl":""
},
{
"uri":"dli_08_0149.html",
"product_code":"dli",
"code":"86",
"des":"This statement is used to display the binding relationship between roles and a user in the current database.NoneThe ROLE variable must exist.",
"doc_type":"sqlreference",
"kw":"Displaying the Binding Relationship Between All Roles and Users,Data Permissions Management,SQL Synt",
"title":"Displaying the Binding Relationship Between All Roles and Users",
"githuburl":""
},
{
"uri":"dli_08_0056.html",
"product_code":"dli",
"code":"87",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"Data Types",
"title":"Data Types",
"githuburl":""
},
{
"uri":"dli_08_0057.html",
"product_code":"dli",
"code":"88",
"des":"Data type is a basic attribute of data. It is used to distinguish different types of data. Different data types occupy different storage space and support different opera",
"doc_type":"sqlreference",
"kw":"Overview,Data Types,SQL Syntax Reference",
"title":"Overview",
"githuburl":""
},
{
"uri":"dli_08_0058.html",
"product_code":"dli",
"code":"89",
"des":"Table 1 lists the primitive data types supported by DLI.VARCHAR and CHAR data is stored in STRING type on DLI. Therefore, the string that exceeds the specified length wil",
"doc_type":"sqlreference",
"kw":"Primitive Data Types,Data Types,SQL Syntax Reference",
"title":"Primitive Data Types",
"githuburl":""
},
{
"uri":"dli_08_0059.html",
"product_code":"dli",
"code":"90",
"des":"Spark SQL supports complex data types, as shown in Table 1.When a table containing fields of the complex data type is created, the storage format of this table cannot be ",
"doc_type":"sqlreference",
"kw":"Complex Data Types,Data Types,SQL Syntax Reference",
"title":"Complex Data Types",
"githuburl":""
},
{
"uri":"dli_08_0282.html",
"product_code":"dli",
"code":"91",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"User-Defined Functions",
"title":"User-Defined Functions",
"githuburl":""
},
{
"uri":"dli_08_0283.html",
"product_code":"dli",
"code":"92",
"des":"DLI allows you to create and use user-defined functions (UDF) and user-defined table functions (UDTF) in Spark jobs.If a function with the same name exists in the databas",
"doc_type":"sqlreference",
"kw":"Creating a Function,User-Defined Functions,SQL Syntax Reference",
"title":"Creating a Function",
"githuburl":""
},
{
"uri":"dli_08_0284.html",
"product_code":"dli",
"code":"93",
"des":"This statement is used to delete functions.TEMPORARY: Indicates whether the function to be deleted is a temporary function.IF EXISTS: Used when the function to be deleted",
"doc_type":"sqlreference",
"kw":"Deleting a Function,User-Defined Functions,SQL Syntax Reference",
"title":"Deleting a Function",
"githuburl":""
},
{
"uri":"dli_08_0281.html",
"product_code":"dli",
"code":"94",
"des":"Displays information about a specified function.EXTENDED: displays extended usage information.The metadata (implementation class and usage) of an existing function is ret",
"doc_type":"sqlreference",
"kw":"Displaying Function Details,User-Defined Functions,SQL Syntax Reference",
"title":"Displaying Function Details",
"githuburl":""
},
{
"uri":"dli_08_0285.html",
"product_code":"dli",
"code":"95",
"des":"View all functions in the current project.In the preceding statement, regex is a regular expression. For details about its parameters, see Table 1.For details about other",
"doc_type":"sqlreference",
"kw":"Displaying All Functions,User-Defined Functions,SQL Syntax Reference",
"title":"Displaying All Functions",
"githuburl":""
},
{
"uri":"dli_08_0064.html",
"product_code":"dli",
"code":"96",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"Built-in Functions",
"title":"Built-in Functions",
"githuburl":""
},
{
"uri":"dli_08_0065.html",
"product_code":"dli",
"code":"97",
"des":"Table 1 lists the mathematical functions supported in DLI.",
"doc_type":"sqlreference",
"kw":"Mathematical Functions,Built-in Functions,SQL Syntax Reference",
"title":"Mathematical Functions",
"githuburl":""
},
{
"uri":"dli_08_0066.html",
"product_code":"dli",
"code":"98",
"des":"Table 1 lists the date functions supported in DLI.",
"doc_type":"sqlreference",
"kw":"Date Functions,Built-in Functions,SQL Syntax Reference",
"title":"Date Functions",
"githuburl":""
},
{
"uri":"dli_08_0067.html",
"product_code":"dli",
"code":"99",
"des":"Table 1 lists the string functions supported by DLI.",
"doc_type":"sqlreference",
"kw":"String Functions,Built-in Functions,SQL Syntax Reference",
"title":"String Functions",
"githuburl":""
},
{
"uri":"dli_08_0068.html",
"product_code":"dli",
"code":"100",
"des":"An aggregate function performs a calculation operation on a set of input values and returns a value. For example, the COUNT function counts the number of rows retrieved b",
"doc_type":"sqlreference",
"kw":"Aggregate Functions,Built-in Functions,SQL Syntax Reference",
"title":"Aggregate Functions",
"githuburl":""
},
{
"uri":"dli_08_0069.html",
"product_code":"dli",
"code":"101",
"des":"A window function performs a calculation operation on a set of values related to the current value. A window function can be an aggregate function used in the GROUP BY cl",
"doc_type":"sqlreference",
"kw":"Window Functions,Built-in Functions,SQL Syntax Reference",
"title":"Window Functions",
"githuburl":""
},
{
"uri":"dli_08_0150.html",
"product_code":"dli",
"code":"102",
"des":"This statement is a basic query statement and is used to return the query results.The table to be queried must exist. Otherwise, an error is reported.To filter the record",
"doc_type":"sqlreference",
"kw":"Basic SELECT Statements,Spark SQL Syntax Reference,SQL Syntax Reference",
"title":"Basic SELECT Statements",
"githuburl":""
},
{
"uri":"dli_08_0151.html",
"product_code":"dli",
"code":"103",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"Filtering",
"title":"Filtering",
"githuburl":""
},
{
"uri":"dli_08_0152.html",
"product_code":"dli",
"code":"104",
"des":"This statement is used to filter the query results using the WHERE clause.All is used to return repeated rows. By default, all repeated rows are returned. It is followed ",
"doc_type":"sqlreference",
"kw":"WHERE Filtering Clause,Filtering,SQL Syntax Reference",
"title":"WHERE Filtering Clause",
"githuburl":""
},
{
"uri":"dli_08_0153.html",
"product_code":"dli",
"code":"105",
"des":"This statement is used to filter the query results using the HAVING clause.All is used to return repeated rows. By default, all repeated rows are returned. It is followed",
"doc_type":"sqlreference",
"kw":"HAVING Filtering Clause,Filtering,SQL Syntax Reference",
"title":"HAVING Filtering Clause",
"githuburl":""
},
{
"uri":"dli_08_0154.html",
"product_code":"dli",
"code":"106",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"Sorting",
"title":"Sorting",
"githuburl":""
},
{
"uri":"dli_08_0155.html",
"product_code":"dli",
"code":"107",
"des":"This statement is used to order the result set of a query by the specified field.ASC/DESC: ASC sorts from the lowest value to the highest value. DESC sorts from the highe",
"doc_type":"sqlreference",
"kw":"ORDER BY,Sorting,SQL Syntax Reference",
"title":"ORDER BY",
"githuburl":""
},
{
"uri":"dli_08_0156.html",
"product_code":"dli",
"code":"108",
"des":"This statement is used to achieve the partial sorting of tables according to fields.ASC/DESC: ASC sorts from the lowest value to the highest value. DESC sorts from the hi",
"doc_type":"sqlreference",
"kw":"SORT BY,Sorting,SQL Syntax Reference",
"title":"SORT BY",
"githuburl":""
},
{
"uri":"dli_08_0157.html",
"product_code":"dli",
"code":"109",
"des":"This statement is used to bucket a table and sort the table within buckets.CLUSTER BY: Buckets are created based on specified fields. Single fields and multiple fields ar",
"doc_type":"sqlreference",
"kw":"CLUSTER BY,Sorting,SQL Syntax Reference",
"title":"CLUSTER BY",
"githuburl":""
},
{
"uri":"dli_08_0158.html",
"product_code":"dli",
"code":"110",
"des":"This statement is used to bucket a table according to the field.DISTRIBUTE BY: Buckets are created based on specified fields. A single field or multiple fields are suppor",
"doc_type":"sqlreference",
"kw":"DISTRIBUTE BY,Sorting,SQL Syntax Reference",
"title":"DISTRIBUTE BY",
"githuburl":""
},
{
"uri":"dli_08_0159.html",
"product_code":"dli",
"code":"111",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"Grouping",
"title":"Grouping",
"githuburl":""
},
{
"uri":"dli_08_0160.html",
"product_code":"dli",
"code":"112",
"des":"This statement is used to group a table based on columns.Column-based GROUP BY can be categorized into single-column GROUP BY and multi-column GROUP BY.Single-column GROU",
"doc_type":"sqlreference",
"kw":"Column-Based GROUP BY,Grouping,SQL Syntax Reference",
"title":"Column-Based GROUP BY",
"githuburl":""
},
{
"uri":"dli_08_0161.html",
"product_code":"dli",
"code":"113",
"des":"This statement is used to group a table according to expressions.The groupby_expression can contain a single field or multiple fields, and also can call aggregate functio",
"doc_type":"sqlreference",
"kw":"Expression-Based GROUP BY,Grouping,SQL Syntax Reference",
"title":"Expression-Based GROUP BY",
"githuburl":""
},
{
"uri":"dli_08_0162.html",
"product_code":"dli",
"code":"114",
"des":"This statement filters a table after grouping it using the HAVING clause.The groupby_expression can contain a single field or multiple fields, and can also call aggregate",
"doc_type":"sqlreference",
"kw":"GROUP BY Using HAVING,Grouping,SQL Syntax Reference",
"title":"GROUP BY Using HAVING",
"githuburl":""
},
{
"uri":"dli_08_0163.html",
"product_code":"dli",
"code":"115",
"des":"This statement is used to generate the aggregate row, super-aggregate row, and the total row. The statement can achieve multi-layer statistics from right to left and disp",
"doc_type":"sqlreference",
"kw":"ROLLUP,Grouping,SQL Syntax Reference",
"title":"ROLLUP",
"githuburl":""
},
{
"uri":"dli_08_0164.html",
"product_code":"dli",
"code":"116",
"des":"This statement is used to generate the cross-table row and achieve the cross-statistics of the GROUP BY field.GROUPING SETS is the expansion of GROUP BY. For example:SELE",
"doc_type":"sqlreference",
"kw":"GROUPING SETS,Grouping,SQL Syntax Reference",
"title":"GROUPING SETS",
"githuburl":""
},
{
"uri":"dli_08_0165.html",
"product_code":"dli",
"code":"117",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"JOIN",
"title":"JOIN",
"githuburl":""
},
{
"uri":"dli_08_0166.html",
"product_code":"dli",
"code":"118",
"des":"This statement is used to join and return the rows that meet the JOIN conditions from two tables as the result set.JOIN/INNER JOIN: Only the records that meet the JOIN co",
"doc_type":"sqlreference",
"kw":"INNER JOIN,JOIN,SQL Syntax Reference",
"title":"INNER JOIN",
"githuburl":""
},
{
"uri":"dli_08_0167.html",
"product_code":"dli",
"code":"119",
"des":"Join the left table with the right table and return all joined records of the left table. If no joined record is found, NULL will be returned.LEFT OUTER JOIN: Returns all",
"doc_type":"sqlreference",
"kw":"LEFT OUTER JOIN,JOIN,SQL Syntax Reference",
"title":"LEFT OUTER JOIN",
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{
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"des":"Match the right table with the left table and return all matched records of the right table. If no matched record is found, NULL will be returned.RIGHT OUTER JOIN: Return",
"doc_type":"sqlreference",
"kw":"RIGHT OUTER JOIN,JOIN,SQL Syntax Reference",
"title":"RIGHT OUTER JOIN",
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},
{
"uri":"dli_08_0169.html",
"product_code":"dli",
"code":"121",
"des":"Join all records from the right table and the left table and return all joined records. If no joined record is found, NULL will be returned.FULL OUTER JOIN: Matches all r",
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"kw":"FULL OUTER JOIN,JOIN,SQL Syntax Reference",
"title":"FULL OUTER JOIN",
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},
{
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"product_code":"dli",
"code":"122",
"des":"This statement has the same function as INNER JOIN, that is, the result set that meet the WHERE condition is returned. However, IMPLICIT JOIN does not use the condition s",
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"kw":"IMPLICIT JOIN,JOIN,SQL Syntax Reference",
"title":"IMPLICIT JOIN",
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},
{
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"product_code":"dli",
"code":"123",
"des":"Cartesian JOIN joins each record of table A with all records in table B. For example, if there are m records in table A and n records in table B, m x n records will be ge",
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"kw":"Cartesian JOIN,JOIN,SQL Syntax Reference",
"title":"Cartesian JOIN",
"githuburl":""
},
{
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"product_code":"dli",
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"des":"This statement is used to query the records that meet the JOIN condition from the left table.LEFT SEMI JOIN: Indicates to only return the records from the left table. LEF",
"doc_type":"sqlreference",
"kw":"LEFT SEMI JOIN,JOIN,SQL Syntax Reference",
"title":"LEFT SEMI JOIN",
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},
{
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"product_code":"dli",
"code":"125",
"des":"This statement is used to join multiple tables using unequal values and return the result set that meet the condition.The non_equi_join_condition is similar to join_condi",
"doc_type":"sqlreference",
"kw":"NON-EQUIJOIN,JOIN,SQL Syntax Reference",
"title":"NON-EQUIJOIN",
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{
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"product_code":"dli",
"code":"126",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"Subquery",
"title":"Subquery",
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{
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"product_code":"dli",
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"kw":"Subquery Nested by WHERE,Subquery,SQL Syntax Reference",
"title":"Subquery Nested by WHERE",
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{
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"des":"This statement is used to nest subquery by FROM and use the subquery results as the data source of the external SELECT statement.All is used to return repeated rows. By d",
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{
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"des":"This statement is used to embed a subquery in the HAVING clause. The subquery result is used as a part of the HAVING clause.All is used to return repeated rows. By defaul",
"doc_type":"sqlreference",
"kw":"Subquery Nested by HAVING,Subquery,SQL Syntax Reference",
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"des":"This statement is used to nest queries in the subquery.All is used to return repeated rows. By default, all repeated rows are returned. It is followed by asterisks (*) on",
"doc_type":"sqlreference",
"kw":"Multi-Layer Nested Subquery,Subquery,SQL Syntax Reference",
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{
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"product_code":"dli",
"code":"131",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
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"kw":"Alias",
"title":"Alias",
"githuburl":""
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{
"uri":"dli_08_0180.html",
"product_code":"dli",
"code":"132",
"des":"This statement is used to specify an alias for a table or the subquery result.table_reference: Can be a table, view, or subquery.As: Is used to connect to table_reference",
"doc_type":"sqlreference",
"kw":"AS for Table,Alias,SQL Syntax Reference",
"title":"AS for Table",
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{
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"des":"This statement is used to specify an alias for a column.alias: gives an alias for the attr_expr field.AS: Whether to add AS does not affect the result.The to-be-queried t",
"doc_type":"sqlreference",
"kw":"AS for Column,Alias,SQL Syntax Reference",
"title":"AS for Column",
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"product_code":"dli",
"code":"134",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
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"kw":"Set Operations",
"title":"Set Operations",
"githuburl":""
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{
"uri":"dli_08_0183.html",
"product_code":"dli",
"code":"135",
"des":"This statement is used to return the union set of multiple query results.UNION: The set operation is used to join the head and tail of a table based on certain conditions",
"doc_type":"sqlreference",
"kw":"UNION,Set Operations,SQL Syntax Reference",
"title":"UNION",
"githuburl":""
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{
"uri":"dli_08_0184.html",
"product_code":"dli",
"code":"136",
"des":"This statement is used to return the intersection set of multiple query results.INTERSECT returns the intersection of multiple query results. The number of columns return",
"doc_type":"sqlreference",
"kw":"INTERSECT,Set Operations,SQL Syntax Reference",
"title":"INTERSECT",
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{
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"product_code":"dli",
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"des":"This statement is used to return the difference set of two query results.EXCEPT minus the sets. A EXCEPT B indicates to remove the records that exist in both A and B from",
"doc_type":"sqlreference",
"kw":"EXCEPT,Set Operations,SQL Syntax Reference",
"title":"EXCEPT",
"githuburl":""
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{
"uri":"dli_08_0186.html",
"product_code":"dli",
"code":"138",
"des":"This statement is used to define the common table expression (CTE) using WITH...AS to simplify the query and make the result easier to read and maintain.cte_name: Name of",
"doc_type":"sqlreference",
"kw":"WITH...AS,Spark SQL Syntax Reference,SQL Syntax Reference",
"title":"WITH...AS",
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},
{
"uri":"dli_08_0187.html",
"product_code":"dli",
"code":"139",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
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"kw":"CASE...WHEN",
"title":"CASE...WHEN",
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{
"uri":"dli_08_0188.html",
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"des":"This statement is used to display result_expression according to the joined results of input_expression and when_expression.CASE: Subquery is supported in basic CASE stat",
"doc_type":"sqlreference",
"kw":"Basic CASE Statement,CASE...WHEN,SQL Syntax Reference",
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"uri":"dli_08_0189.html",
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"code":"141",
"des":"This statement is used to obtain the value of boolean_expression for each WHEN statement in a specified order. Then return the first result_expression with the value TRUE",
"doc_type":"sqlreference",
"kw":"CASE Query Statement,CASE...WHEN,SQL Syntax Reference",
"title":"CASE Query Statement",
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{
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"product_code":"dli",
"code":"142",
"des":"This statement is used together with the window function. The OVER statement is used to group data and sort the data within the group. The window function is used to gene",
"doc_type":"sqlreference",
"kw":"OVER Clause,Spark SQL Syntax Reference,SQL Syntax Reference",
"title":"OVER Clause",
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"product_code":"dli",
"code":"143",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
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"kw":"Flink Opensource SQL 1.12 Syntax Reference",
"title":"Flink Opensource SQL 1.12 Syntax Reference",
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"uri":"dli_08_0371.html",
"product_code":"dli",
"code":"144",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"Constraints and Definitions",
"title":"Constraints and Definitions",
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"uri":"dli_08_0372.html",
"product_code":"dli",
"code":"145",
"des":"STRING, BOOLEAN, BYTES, DECIMAL, TINYINT, SMALLINT, INTEGER, BIGINT, FLOAT, DOUBLE, DATE, TIME, TIMESTAMP, TIMESTAMP WITH LOCAL TIME ZONE, INTERVAL, ARRAY, MULTISET, MAP,",
"doc_type":"sqlreference",
"kw":"Supported Data Types,Constraints and Definitions,SQL Syntax Reference",
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"product_code":"dli",
"code":"146",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
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"kw":"Syntax",
"title":"Syntax",
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"product_code":"dli",
"code":"147",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"Data Definition Language (DDL)",
"title":"Data Definition Language (DDL)",
"githuburl":""
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"uri":"dli_08_0375.html",
"product_code":"dli",
"code":"148",
"des":"Create a table with a specified name.COMPUTED COLUMNA computed column is a virtual column generated using column_name AS computed_column_expression. A computed column eva",
"doc_type":"sqlreference",
"kw":"CREATE TABLE,Data Definition Language (DDL),SQL Syntax Reference",
"title":"CREATE TABLE",
"githuburl":""
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"uri":"dli_08_0376.html",
"product_code":"dli",
"code":"149",
"des":"Create a view with multiple layers nested in it to simplify the development process.IF NOT EXISTSIf the view already exists, nothing happens.Create a view named viewName.",
"doc_type":"sqlreference",
"kw":"CREATE VIEW,Data Definition Language (DDL),SQL Syntax Reference",
"title":"CREATE VIEW",
"githuburl":""
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{
"uri":"dli_08_0377.html",
"product_code":"dli",
"code":"150",
"des":"Create a user-defined function.For details about how to create a user-defined function, see User-Defined Functions (UDFs).IF NOT EXISTSIf the function already exists, not",
"doc_type":"sqlreference",
"kw":"CREATE FUNCTION,Data Definition Language (DDL),SQL Syntax Reference",
"title":"CREATE FUNCTION",
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"code":"151",
"des":"SyntaxPrecautionsFlink SQL uses a lexical policy for identifier (table, attribute, function names) similar to Java:The case of identifiers is preserved whether or not the",
"doc_type":"sqlreference",
"kw":"Data Manipulation Language (DML),Syntax,SQL Syntax Reference",
"title":"Data Manipulation Language (DML)",
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"product_code":"dli",
"code":"152",
"des":"This section describes the Flink open source SQL 1.12 syntax supported by DLI. For details about the parameters and examples, see the syntax description.",
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"kw":"Overview,Flink Opensource SQL 1.12 Syntax Reference,SQL Syntax Reference",
"title":"Overview",
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"uri":"dli_08_0380.html",
"product_code":"dli",
"code":"153",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
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"kw":"DDL Syntax",
"title":"DDL Syntax",
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"uri":"dli_08_0381.html",
"product_code":"dli",
"code":"154",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
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"kw":"Creating Source Tables",
"title":"Creating Source Tables",
"githuburl":""
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"product_code":"dli",
"code":"155",
"des":"DataGen is used to generate random data for debugging and testing.NoneWhen you create a DataGen table, the table field type cannot be Array, Map, or Row. You can use COMP",
"doc_type":"sqlreference",
"kw":"DataGen Source Table,Creating Source Tables,SQL Syntax Reference",
"title":"DataGen Source Table",
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"product_code":"dli",
"code":"156",
"des":"DLI reads data of Flink jobs from GaussDB(DWS). GaussDB(DWS) database kernel is compliant with PostgreSQL. The PostgreSQL database can store data of more complex types an",
"doc_type":"sqlreference",
"kw":"GaussDB(DWS) Source Table,Creating Source Tables,SQL Syntax Reference",
"title":"GaussDB(DWS) Source Table",
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{
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"product_code":"dli",
"code":"157",
"des":"Create a source stream to obtain data from HBase as input for jobs. HBase is a column-oriented distributed cloud storage system that features enhanced reliability, excell",
"doc_type":"sqlreference",
"kw":"HBase Source Table,Creating Source Tables,SQL Syntax Reference",
"title":"HBase Source Table",
"githuburl":""
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{
"uri":"dli_08_0385.html",
"product_code":"dli",
"code":"158",
"des":"The JDBC connector is a Flink's built-in connector to read data from a database.An enhanced datasource connection with the instances has been established, so that you can",
"doc_type":"sqlreference",
"kw":"JDBC Source Table,Creating Source Tables,SQL Syntax Reference",
"title":"JDBC Source Table",
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{
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"product_code":"dli",
"code":"159",
"des":"Create a source stream to obtain data from Kafka as input data for jobs.Apache Kafka is a fast, scalable, and fault-tolerant distributed message publishing and subscripti",
"doc_type":"sqlreference",
"kw":"Kafka Source Table,Creating Source Tables,SQL Syntax Reference",
"title":"Kafka Source Table",
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"product_code":"dli",
"code":"160",
"des":"The MySQL CDC source table, that is, the MySQL streaming source table, reads all historical data in the database first and then smoothly switches data read to the Binlog ",
"doc_type":"sqlreference",
"kw":"MySQL CDC Source Table,Creating Source Tables,SQL Syntax Reference",
"title":"MySQL CDC Source Table",
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"product_code":"dli",
"code":"161",
"des":"The Postgres CDC source table, that is, Postgres streaming source table, is used to read the full snapshot data and changed data of the PostgreSQL database in sequence. T",
"doc_type":"sqlreference",
"kw":"Postgres CDC Source Table,Creating Source Tables,SQL Syntax Reference",
"title":"Postgres CDC Source Table",
"githuburl":""
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{
"uri":"dli_08_0389.html",
"product_code":"dli",
"code":"162",
"des":"Create a source stream to obtain data from Redis as input for jobs.An enhanced datasource connection has been created for DLI to connect to the Redis database, so that yo",
"doc_type":"sqlreference",
"kw":"Redis Source Table,Creating Source Tables,SQL Syntax Reference",
"title":"Redis Source Table",
"githuburl":""
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{
"uri":"dli_08_0390.html",
"product_code":"dli",
"code":"163",
"des":"Apache Kafka is a fast, scalable, and fault-tolerant distributed message publishing and subscription system. It delivers high throughput and built-in partitions and provi",
"doc_type":"sqlreference",
"kw":"Upsert Kafka Source Table,Creating Source Tables,SQL Syntax Reference",
"title":"Upsert Kafka Source Table",
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"product_code":"dli",
"code":"164",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
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"kw":"Creating Result Tables",
"title":"Creating Result Tables",
"githuburl":""
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"product_code":"dli",
"code":"165",
"des":"The BlackHole connector allows for swallowing all input records. It is designed for high-performance testing and UDF output. It is not a substantive sink. The BlackHole r",
"doc_type":"sqlreference",
"kw":"BlackHole Result Table,Creating Result Tables,SQL Syntax Reference",
"title":"BlackHole Result Table",
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"product_code":"dli",
"code":"166",
"des":"DLI can output Flink job data to the ClickHouse database. ClickHouse is a column-based database oriented to online analysis and processing. It supports SQL query and prov",
"doc_type":"sqlreference",
"kw":"ClickHouse Result Table,Creating Result Tables,SQL Syntax Reference",
"title":"ClickHouse Result Table",
"githuburl":""
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"uri":"dli_08_0394.html",
"product_code":"dli",
"code":"167",
"des":"DLI outputs the Flink job output data to GaussDB(DWS). GaussDB(DWS) database kernel is compliant with PostgreSQL. The PostgreSQL database can store data of more complex t",
"doc_type":"sqlreference",
"kw":"GaussDB(DWS) Result Table,Creating Result Tables,SQL Syntax Reference",
"title":"GaussDB(DWS) Result Table",
"githuburl":""
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{
"uri":"dli_08_0395.html",
"product_code":"dli",
"code":"168",
"des":"DLI outputs Flink job output data to Elasticsearch of Cloud Search Service (CSS). Elasticsearch is a popular enterprise-class Lucene-powered search server and provides th",
"doc_type":"sqlreference",
"kw":"Elasticsearch Result Table,Creating Result Tables,SQL Syntax Reference",
"title":"Elasticsearch Result Table",
"githuburl":""
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{
"uri":"dli_08_0396.html",
"product_code":"dli",
"code":"169",
"des":"DLI outputs the job data to HBase. HBase is a column-oriented distributed cloud storage system that features enhanced reliability, excellent performance, and elastic scal",
"doc_type":"sqlreference",
"kw":"HBase Result Table,Creating Result Tables,SQL Syntax Reference",
"title":"HBase Result Table",
"githuburl":""
},
{
"uri":"dli_08_0397.html",
"product_code":"dli",
"code":"170",
"des":"DLI outputs the Flink job output data to RDS through the JDBC result table.An enhanced datasource connection with the instances has been established, so that you can conf",
"doc_type":"sqlreference",
"kw":"JDBC Result Table,Creating Result Tables,SQL Syntax Reference",
"title":"JDBC Result Table",
"githuburl":""
},
{
"uri":"dli_08_0398.html",
"product_code":"dli",
"code":"171",
"des":"DLI outputs the Flink job output data to Kafka through the Kafka result table.Apache Kafka is a fast, scalable, and fault-tolerant distributed message publishing and subs",
"doc_type":"sqlreference",
"kw":"Kafka Result Table,Creating Result Tables,SQL Syntax Reference",
"title":"Kafka Result Table",
"githuburl":""
},
{
"uri":"dli_08_0399.html",
"product_code":"dli",
"code":"172",
"des":"The Print connector is used to print output data to the error file or TaskManager file, making it easier for you to view the result in code debugging.NoneThe Print result",
"doc_type":"sqlreference",
"kw":"Print Result Table,Creating Result Tables,SQL Syntax Reference",
"title":"Print Result Table",
"githuburl":""
},
{
"uri":"dli_08_0400.html",
"product_code":"dli",
"code":"173",
"des":"DLI outputs the Flink job output data to Redis. Redis is a key-value storage system that supports multiple types of data structures. It can be used in scenarios such as c",
"doc_type":"sqlreference",
"kw":"Redis Result Table,Creating Result Tables,SQL Syntax Reference",
"title":"Redis Result Table",
"githuburl":""
},
{
"uri":"dli_08_0401.html",
"product_code":"dli",
"code":"174",
"des":"Apache Kafka is a fast, scalable, and fault-tolerant distributed message publishing and subscription system. It delivers high throughput and built-in partitions and provi",
"doc_type":"sqlreference",
"kw":"Upsert Kafka Result Table,Creating Result Tables,SQL Syntax Reference",
"title":"Upsert Kafka Result Table",
"githuburl":""
},
{
"uri":"dli_08_0402.html",
"product_code":"dli",
"code":"175",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"Creating Dimension Tables",
"title":"Creating Dimension Tables",
"githuburl":""
},
{
"uri":"dli_08_0403.html",
"product_code":"dli",
"code":"176",
"des":"Create a GaussDB(DWS) table to connect to source streams for wide table generation.Ensure that you have created a GaussDB(DWS) cluster using your account.A DWS database t",
"doc_type":"sqlreference",
"kw":"GaussDB(DWS) Dimension Table,Creating Dimension Tables,SQL Syntax Reference",
"title":"GaussDB(DWS) Dimension Table",
"githuburl":""
},
{
"uri":"dli_08_0404.html",
"product_code":"dli",
"code":"177",
"des":"Create a Hbase dimension table to connect to the source streams for wide table generation.An enhanced datasource connection has been created for DLI to connect to HBase, ",
"doc_type":"sqlreference",
"kw":"HBase Dimension Table,Creating Dimension Tables,SQL Syntax Reference",
"title":"HBase Dimension Table",
"githuburl":""
},
{
"uri":"dli_08_0405.html",
"product_code":"dli",
"code":"178",
"des":"Create a JDBC dimension table to connect to the source stream.You have created a JDBC instance for your account.When you create a Flink OpenSource SQL job, set Flink Vers",
"doc_type":"sqlreference",
"kw":"JDBC Dimension Table,Creating Dimension Tables,SQL Syntax Reference",
"title":"JDBC Dimension Table",
"githuburl":""
},
{
"uri":"dli_08_0406.html",
"product_code":"dli",
"code":"179",
"des":"Create a Redis table to connect to source streams for wide table generation.An enhanced datasource connection with Redis has been established, so that you can configure s",
"doc_type":"sqlreference",
"kw":"Redis Dimension Table,Creating Dimension Tables,SQL Syntax Reference",
"title":"Redis Dimension Table",
"githuburl":""
},
{
"uri":"dli_08_0407.html",
"product_code":"dli",
"code":"180",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"Format",
"title":"Format",
"githuburl":""
},
{
"uri":"dli_08_0408.html",
"product_code":"dli",
"code":"181",
"des":"Apache Avro is supported for you to read and write Avro data based on an Avro schema with Flink. The Avro schema is derived from the table schema.KafkaUpsert KafkaCurrent",
"doc_type":"sqlreference",
"kw":"Avro,Format,SQL Syntax Reference",
"title":"Avro",
"githuburl":""
},
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"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
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"des":"SyntaxExampleTest input data.Test the data source kafka. The message content is as follows:{name:James,age:24,sex:male,grade:{math:95,science:[80,85],english:100}}\n{name:",
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"des":"Table 1 lists the time functions supported by Flink OpenSource SQL.FunctionReturns a SQL date parsed from string in form of yyyy-MM-dd.Returns a SQL date parsed from stri",
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"product_code":"dli",
"code":"203",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
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"des":"This function is used to forcibly convert types.If the input is NULL, NULL is returned.The following example converts the amount value to an integer.Flink jobs do not sup",
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"product_code":"dli",
"code":"205",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
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"product_code":"dli",
"code":"206",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
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"product_code":"dli",
"code":"207",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
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"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
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"code":"210",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
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"des":"The string_split function splits a target string into substrings based on the specified separator and returns a substring list.Create a Flink OpenSource SQL job by referr",
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"product_code":"dli",
"code":"212",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
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"kw":"Flink Opensource SQL 1.10 Syntax Reference",
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"product_code":"dli",
"code":"213",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
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"product_code":"dli",
"code":"214",
"des":"STRING, BOOLEAN, BYTES, DECIMAL, TINYINT, SMALLINT, INTEGER, BIGINT, FLOAT, DOUBLE, DATE, TIME, TIMESTAMP, TIMESTAMP WITH LOCAL TIME ZONE, INTERVAL, ARRAY, MULTISET, MAP,",
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"product_code":"dli",
"code":"215",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
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"code":"216",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
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"kw":"Data Definition Language (DDL)",
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"des":"This clause is used to create a table with a specified name.COMPUTED COLUMNA computed column is a virtual column generated using column_name AS computed_column_expression",
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"des":"Create a view with multiple layers nested in it to simplify the development process.IF NOT EXISTSIf the view already exists, nothing happens.Create a view named viewName.",
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"kw":"CREATE FUNCTION,Data Definition Language (DDL),SQL Syntax Reference",
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"kw":"Data Manipulation Language (DML),Syntax Definition,SQL Syntax Reference",
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"des":"This section describes the Flink OpenSource SQL syntax supported by DLI. For details about the parameters and examples, see the syntax description.",
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"kw":"Flink OpenSource SQL 1.10 Syntax,Flink Opensource SQL 1.10 Syntax Reference,SQL Syntax Reference",
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"product_code":"dli",
"code":"222",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
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"kw":"Data Definition Language (DDL)",
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"product_code":"dli",
"code":"223",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
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"code":"224",
"des":"Create a source stream to obtain data from Kafka as input data for jobs.Apache Kafka is a fast, scalable, and fault-tolerant distributed message publishing and subscripti",
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"code":"226",
"des":"The JDBC connector is a Flink's built-in connector to read data from a database.An enhanced datasource connection with the database has been established, so that you can ",
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"code":"227",
"des":"DLI reads data of Flink jobs from GaussDB(DWS). GaussDB(DWS) database kernel is compliant with PostgreSQL. The PostgreSQL database can store data of more complex types an",
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"code":"229",
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"des":"You can call APIs to obtain data from the cloud ecosystem or an open source ecosystem and use the obtained data as input of Flink jobs.The customized source class needs t",
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"product_code":"dli",
"code":"231",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
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"kw":"ClickHouse Result Table,Creating a Result Table,SQL Syntax Reference",
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"des":"DLI exports the output data of the Flink job to Kafka.Apache Kafka is a fast, scalable, and fault-tolerant distributed message publishing and subscription system. It deli",
"doc_type":"sqlreference",
"kw":"Kafka Result Table,Creating a Result Table,SQL Syntax Reference",
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"code":"234",
"des":"DLI exports the output data of the Flink job to Kafka in upsert mode.Apache Kafka is a fast, scalable, and fault-tolerant distributed message publishing and subscription ",
"doc_type":"sqlreference",
"kw":"Upsert Kafka Result Table,Creating a Result Table,SQL Syntax Reference",
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"des":"DLI writes the Flink job output data into DIS. The data is filtered and imported to the DIS stream for future processing.DIS addresses the challenge of transmitting data ",
"doc_type":"sqlreference",
"kw":"DIS Result Table,Creating a Result Table,SQL Syntax Reference",
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"code":"236",
"des":"DLI exports the output data of the Flink job to RDS.An enhanced datasource connection with the database has been established, so that you can configure security group rul",
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"kw":"JDBC Result Table,Creating a Result Table,SQL Syntax Reference",
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"product_code":"dli",
"code":"237",
"des":"DLI outputs the Flink job output data to GaussDB(DWS). GaussDB(DWS) database kernel is compliant with PostgreSQL. The PostgreSQL database can store data of more complex t",
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"kw":"GaussDB(DWS) Result Table,Creating a Result Table,SQL Syntax Reference",
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"product_code":"dli",
"code":"238",
"des":"DLI exports the output data of the Flink job to Redis. Redis is a storage system that supports multiple types of data structures such as key-value. It can be used in scen",
"doc_type":"sqlreference",
"kw":"Redis Result Table,Creating a Result Table,SQL Syntax Reference",
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"product_code":"dli",
"code":"239",
"des":"DLI exports Flink job output data to SMN.SMN provides reliable and flexible large-scale message notification services to DLI. It significantly simplifies system coupling ",
"doc_type":"sqlreference",
"kw":"SMN Result Table,Creating a Result Table,SQL Syntax Reference",
"title":"SMN Result Table",
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"uri":"dli_08_0315.html",
"product_code":"dli",
"code":"240",
"des":"DLI outputs the job data to HBase. HBase is a column-oriented distributed cloud storage system that features enhanced reliability, excellent performance, and elastic scal",
"doc_type":"sqlreference",
"kw":"HBase Result Table,Creating a Result Table,SQL Syntax Reference",
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"product_code":"dli",
"code":"241",
"des":"DLI exports Flink job output data to Elasticsearch of Cloud Search Service (CSS). Elasticsearch is a popular enterprise-class Lucene-powered search server and provides th",
"doc_type":"sqlreference",
"kw":"Elasticsearch Result Table,Creating a Result Table,SQL Syntax Reference",
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"product_code":"dli",
"code":"242",
"des":"OpenTSDB is a distributed, scalable time series database based on HBase. OpenTSDB is designed to collect monitoring information of a large-scale cluster and query data in",
"doc_type":"sqlreference",
"kw":"OpenTSDB Result Table,Creating a Result Table,SQL Syntax Reference",
"title":"OpenTSDB Result Table",
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"uri":"dli_08_0347.html",
"product_code":"dli",
"code":"243",
"des":"Write your Java code to insert the processed data into a specified database supported by your cloud service.Implement the custom sink class :The custom sink class is inhe",
"doc_type":"sqlreference",
"kw":"User-defined Result Table,Creating a Result Table,SQL Syntax Reference",
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"uri":"dli_08_0345.html",
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"des":"You can create a file system result table to export data to a file system such as HDFS or OBS. After the data is generated, a non-DLI table can be created directly accord",
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"code":"246",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
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"des":"Create a GaussDB(DWS) dimension table to connect to the input stream.You have created a GaussDB(DWS) instance for your account.Use an RDS table to connect to the source s",
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"des":"Create a Hbase dimension table to connect to the source stream.An enhanced datasource connection has been created for DLI to connect to HBase, so that jobs can run on the",
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"product_code":"dli",
"code":"250",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
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"kw":"SELECT,Data Manipulation Language (DML),SQL Syntax Reference",
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"code":"253",
"des":"DescriptionGroup Window is defined in GROUP BY. One record is generated from each group. Group Window involves the following functions:Array functionsArray functionsGroup",
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"title":"Window",
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"des":"Top-N queries ask for the N smallest or largest values ordered by columns. Both smallest and largest values sets are considered Top-N queries. Top-N queries are useful in",
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"code":"258",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
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"title":"Functions",
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"product_code":"dli",
"code":"260",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
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"des":"SyntaxExampleTest input data.Test the data source kafka. The message content is as follows:\"{name:James,age:24,sex:male,grade:{math:95,science:[80,85],english:100}}\"\n\"{na",
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"des":"Table 1 lists the temporal functions supported by Flink OpenSource SQL.FunctionReturns a date parsed from string in form of yyyy-MM-dd.Returns a date parsed from string i",
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"product_code":"dli",
"code":"264",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
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"product_code":"dli",
"code":"265",
"des":"This function is used to forcibly convert types.If the input is NULL, NULL is returned.The following example converts the amount value to an integer.Flink jobs do not sup",
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"kw":"Type Conversion Function,Built-In Functions,SQL Syntax Reference",
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"product_code":"dli",
"code":"266",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"Collection Functions,Built-In Functions,SQL Syntax Reference",
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"uri":"dli_08_0338.html",
"product_code":"dli",
"code":"267",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"Value Construction Functions,Built-In Functions,SQL Syntax Reference",
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"uri":"dli_08_0339.html",
"product_code":"dli",
"code":"268",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"Value Access Functions,Built-In Functions,SQL Syntax Reference",
"title":"Value Access Functions",
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"uri":"dli_08_0340.html",
"product_code":"dli",
"code":"269",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"Hash Functions,Built-In Functions,SQL Syntax Reference",
"title":"Hash Functions",
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"uri":"dli_08_0341.html",
"product_code":"dli",
"code":"270",
"des":"An aggregate function performs a calculation operation on a set of input values and returns a value. For example, the COUNT function counts the number of rows retrieved b",
"doc_type":"sqlreference",
"kw":"Aggregate Function,Built-In Functions,SQL Syntax Reference",
"title":"Aggregate Function",
"githuburl":""
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"uri":"dli_08_0342.html",
"product_code":"dli",
"code":"271",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
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"kw":"Table-Valued Functions",
"title":"Table-Valued Functions",
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"product_code":"dli",
"code":"272",
"des":"The split_cursor function can convert one row of records into multiple rows or convert one column of records into multiple columns. Table-valued functions can only be use",
"doc_type":"sqlreference",
"kw":"split_cursor,Table-Valued Functions,SQL Syntax Reference",
"title":"split_cursor",
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"product_code":"dli",
"code":"273",
"des":"The string_split function splits a target string into substrings based on the specified separator and returns a substring list.Prepare test input data.Source table disSou",
"doc_type":"sqlreference",
"kw":"string_split,Table-Valued Functions,SQL Syntax Reference",
"title":"string_split",
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"uri":"dli_08_0450.html",
"product_code":"dli",
"code":"274",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"Historical Versions",
"title":"Historical Versions",
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"uri":"dli_08_0233.html",
"product_code":"dli",
"code":"275",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
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"kw":"Flink SQL Syntax",
"title":"Flink SQL Syntax",
"githuburl":""
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"uri":"dli_08_0075.html",
"product_code":"dli",
"code":"276",
"des":"Currently, Flink SQL only supports the following operations: SELECT, FROM, WHERE, UNION, aggregation, window, JOIN between stream and table data, and JOIN between streams",
"doc_type":"sqlreference",
"kw":"SQL Syntax Constraints and Definitions,Flink SQL Syntax,SQL Syntax Reference",
"title":"SQL Syntax Constraints and Definitions",
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"uri":"dli_08_0275.html",
"product_code":"dli",
"code":"277",
"des":"This section describes the Flink SQL syntax list provided by DLI. For details about the parameters and examples, see the syntax description.",
"doc_type":"sqlreference",
"kw":"SQL Syntax Overview of Stream Jobs,Flink SQL Syntax,SQL Syntax Reference",
"title":"SQL Syntax Overview of Stream Jobs",
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"uri":"dli_08_0234.html",
"product_code":"dli",
"code":"278",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"Creating a Source Stream",
"title":"Creating a Source Stream",
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"uri":"dli_08_0237.html",
"product_code":"dli",
"code":"279",
"des":"Create a source stream to obtain data from HBase of CloudTable as input data of the job. HBase is a column-oriented distributed cloud storage system that features enhance",
"doc_type":"sqlreference",
"kw":"CloudTable HBase Source Stream,Creating a Source Stream,SQL Syntax Reference",
"title":"CloudTable HBase Source Stream",
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"product_code":"dli",
"code":"280",
"des":"Create a source stream to read data from DIS. DIS accesses user data and Flink job reads data from the DIS stream as input data for jobs. Flink jobs can quickly remove da",
"doc_type":"sqlreference",
"kw":"DIS Source Stream,Creating a Source Stream,SQL Syntax Reference",
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"product_code":"dli",
"code":"281",
"des":"DMS (Distributed Message Service) is a message middleware service based on distributed, high-availability clustering technology. It provides reliable, scalable, fully man",
"doc_type":"sqlreference",
"kw":"DMS Source Stream,Creating a Source Stream,SQL Syntax Reference",
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"uri":"dli_08_0238.html",
"product_code":"dli",
"code":"282",
"des":"Create a source stream to obtain data from Kafka as input data for jobs.Apache Kafka is a fast, scalable, and fault-tolerant distributed message publishing and subscripti",
"doc_type":"sqlreference",
"kw":"MRS Kafka Source Stream,Creating a Source Stream,SQL Syntax Reference",
"title":"MRS Kafka Source Stream",
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"product_code":"dli",
"code":"283",
"des":"Create a source stream to obtain data from Kafka as input data for jobs.Apache Kafka is a fast, scalable, and fault-tolerant distributed message publishing and subscripti",
"doc_type":"sqlreference",
"kw":"Open-Source Kafka Source Stream,Creating a Source Stream,SQL Syntax Reference",
"title":"Open-Source Kafka Source Stream",
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"code":"284",
"des":"Create a source stream to obtain data from OBS. DLI reads data stored by users in OBS as input data for jobs. OBS applies to various scenarios, such as big data analysis,",
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"kw":"OBS Source Stream,Creating a Source Stream,SQL Syntax Reference",
"title":"OBS Source Stream",
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"product_code":"dli",
"code":"285",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
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"kw":"Creating a Sink Stream",
"title":"Creating a Sink Stream",
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"uri":"dli_08_0243.html",
"product_code":"dli",
"code":"286",
"des":"DLI exports the job output data to HBase of CloudTable. HBase is a column-oriented distributed cloud storage system that features enhanced reliability, excellent performa",
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"kw":"CloudTable HBase Sink Stream,Creating a Sink Stream,SQL Syntax Reference",
"title":"CloudTable HBase Sink Stream",
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"product_code":"dli",
"code":"287",
"des":"DLI exports the job output data to OpenTSDB of CloudTable. OpenTSDB is a distributed, scalable time series database based on HBase. It stores time series data. Time serie",
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"kw":"CloudTable OpenTSDB Sink Stream,Creating a Sink Stream,SQL Syntax Reference",
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"product_code":"dli",
"code":"288",
"des":"DLI exports the output data of the Flink job to OpenTSDB of MRS.OpenTSDB has been installed in the MRS cluster.In this scenario, jobs must run on the dedicated queue of D",
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"kw":"MRS OpenTSDB Sink Stream,Creating a Sink Stream,SQL Syntax Reference",
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"product_code":"dli",
"code":"289",
"des":"DLI exports Flink job output data to Elasticsearch of Cloud Search Service (CSS). Elasticsearch is a popular enterprise-class Lucene-powered search server and provides th",
"doc_type":"sqlreference",
"kw":"CSS Elasticsearch Sink Stream,Creating a Sink Stream,SQL Syntax Reference",
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"uri":"dli_08_0253.html",
"product_code":"dli",
"code":"290",
"des":"DLI exports the Flink job output data to Redis of DCS. Redis is a storage system that supports multiple types of data structures such as key-value. It can be used in scen",
"doc_type":"sqlreference",
"kw":"DCS Sink Stream,Creating a Sink Stream,SQL Syntax Reference",
"title":"DCS Sink Stream",
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"code":"291",
"des":"DLI outputs the job output data to Document Database Service (DDS).DDS is compatible with the MongoDB protocol and is secure, highly available, reliable, scalable, and ea",
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"kw":"DDS Sink Stream,Creating a Sink Stream,SQL Syntax Reference",
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"product_code":"dli",
"code":"292",
"des":"DLI writes the Flink job output data into DIS. This cloud ecosystem is applicable to scenarios where data is filtered and imported to the DIS stream for future processing",
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"kw":"DIS Sink Stream,Creating a Sink Stream,SQL Syntax Reference",
"title":"DIS Sink Stream",
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"product_code":"dli",
"code":"293",
"des":"DMS (Distributed Message Service) is a message middleware service based on distributed, high-availability clustering technology. It provides reliable, scalable, fully man",
"doc_type":"sqlreference",
"kw":"DMS Sink Stream,Creating a Sink Stream,SQL Syntax Reference",
"title":"DMS Sink Stream",
"githuburl":""
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"uri":"dli_08_0247.html",
"product_code":"dli",
"code":"294",
"des":"DLI outputs the Flink job output data to Data Warehouse Service (DWS). DWS database kernel is compliant with PostgreSQL. The PostgreSQL database can store data of more co",
"doc_type":"sqlreference",
"kw":"DWS Sink Stream (JDBC Mode),Creating a Sink Stream,SQL Syntax Reference",
"title":"DWS Sink Stream (JDBC Mode)",
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"uri":"dli_08_0248.html",
"product_code":"dli",
"code":"295",
"des":"Create a sink stream to export Flink job data to DWS through OBS-based dumping, specifically, output Flink job data to OBS and then import data from OBS to DWS. For detai",
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"kw":"DWS Sink Stream (OBS-based Dumping),Creating a Sink Stream,SQL Syntax Reference",
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"product_code":"dli",
"code":"296",
"des":"DLI exports the output data of the Flink job to HBase of MRS.An MRS cluster has been created by using your account. DLI can interconnect with HBase clusters with Kerberos",
"doc_type":"sqlreference",
"kw":"MRS HBase Sink Stream,Creating a Sink Stream,SQL Syntax Reference",
"title":"MRS HBase Sink Stream",
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"product_code":"dli",
"code":"297",
"des":"DLI exports the output data of the Flink job to Kafka.Apache Kafka is a fast, scalable, and fault-tolerant distributed message publishing and subscription system. It deli",
"doc_type":"sqlreference",
"kw":"MRS Kafka Sink Stream,Creating a Sink Stream,SQL Syntax Reference",
"title":"MRS Kafka Sink Stream",
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"product_code":"dli",
"code":"298",
"des":"DLI exports the output data of the Flink job to Kafka.Apache Kafka is a fast, scalable, and fault-tolerant distributed message publishing and subscription system. It deli",
"doc_type":"sqlreference",
"kw":"Open-Source Kafka Sink Stream,Creating a Sink Stream,SQL Syntax Reference",
"title":"Open-Source Kafka Sink Stream",
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"product_code":"dli",
"code":"299",
"des":"You can create a sink stream to export data to a file system such as HDFS or OBS. After the data is generated, a non-DLI table can be created directly according to the ge",
"doc_type":"sqlreference",
"kw":"File System Sink Stream (Recommended),Creating a Sink Stream,SQL Syntax Reference",
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"product_code":"dli",
"code":"300",
"des":"Create a sink stream to export DLI data to OBS. DLI can export the job analysis results to OBS. OBS applies to various scenarios, such as big data analysis, cloud-native ",
"doc_type":"sqlreference",
"kw":"OBS Sink Stream,Creating a Sink Stream,SQL Syntax Reference",
"title":"OBS Sink Stream",
"githuburl":""
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"product_code":"dli",
"code":"301",
"des":"DLI outputs the Flink job output data to RDS. Currently, PostgreSQL and MySQL databases are supported. The PostgreSQL database can store data of more complex types and de",
"doc_type":"sqlreference",
"kw":"RDS Sink Stream,Creating a Sink Stream,SQL Syntax Reference",
"title":"RDS Sink Stream",
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"uri":"dli_08_0251.html",
"product_code":"dli",
"code":"302",
"des":"DLI exports Flink job output data to SMN.SMN provides reliable and flexible large-scale message notification services to DLI. It significantly simplifies system coupling ",
"doc_type":"sqlreference",
"kw":"SMN Sink Stream,Creating a Sink Stream,SQL Syntax Reference",
"title":"SMN Sink Stream",
"githuburl":""
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{
"uri":"dli_08_0258.html",
"product_code":"dli",
"code":"303",
"des":"The temporary stream is used to simplify SQL logic. If complex SQL logic is followed, write SQL statements concatenated with temporary streams. The temporary stream is ju",
"doc_type":"sqlreference",
"kw":"Creating a Temporary Stream,Flink SQL Syntax,SQL Syntax Reference",
"title":"Creating a Temporary Stream",
"githuburl":""
},
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"uri":"dli_08_0259.html",
"product_code":"dli",
"code":"304",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"Creating a Dimension Table",
"title":"Creating a Dimension Table",
"githuburl":""
},
{
"uri":"dli_08_0260.html",
"product_code":"dli",
"code":"305",
"des":"Create a Redis table to connect to the source stream.For details about the JOIN syntax, see JOIN Between Stream Data and Table Data.Redis clusters are not supported.Ensur",
"doc_type":"sqlreference",
"kw":"Creating a Redis Table,Creating a Dimension Table,SQL Syntax Reference",
"title":"Creating a Redis Table",
"githuburl":""
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{
"uri":"dli_08_0261.html",
"product_code":"dli",
"code":"306",
"des":"Create an RDS/DWS table to connect to the source stream.For details about the JOIN syntax, see JOIN.Ensure that you have created a PostgreSQL or MySQL RDS instance in RDS",
"doc_type":"sqlreference",
"kw":"Creating an RDS Table,Creating a Dimension Table,SQL Syntax Reference",
"title":"Creating an RDS Table",
"githuburl":""
},
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"product_code":"dli",
"code":"307",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
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"kw":"Custom Stream Ecosystem",
"title":"Custom Stream Ecosystem",
"githuburl":""
},
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"uri":"dli_08_0273.html",
"product_code":"dli",
"code":"308",
"des":"Compile code to obtain data from the desired cloud ecosystem or open-source ecosystem as the input data of Flink jobs.The user-defined source class needs to inherit the R",
"doc_type":"sqlreference",
"kw":"Custom Source Stream,Custom Stream Ecosystem,SQL Syntax Reference",
"title":"Custom Source Stream",
"githuburl":""
},
{
"uri":"dli_08_0274.html",
"product_code":"dli",
"code":"309",
"des":"Compile code to write the data processed by DLI to a specified cloud ecosystem or open-source ecosystem.The user-defined sink class needs to inherit the RichSinkFunction ",
"doc_type":"sqlreference",
"kw":"Custom Sink Stream,Custom Stream Ecosystem,SQL Syntax Reference",
"title":"Custom Sink Stream",
"githuburl":""
},
{
"uri":"dli_08_0207.html",
"product_code":"dli",
"code":"310",
"des":"Data type is a basic attribute of data and used to distinguish different types of data. Different data types occupy different storage space and support different operatio",
"doc_type":"sqlreference",
"kw":"Data Type,Flink SQL Syntax,SQL Syntax Reference",
"title":"Data Type",
"githuburl":""
},
{
"uri":"dli_08_0086.html",
"product_code":"dli",
"code":"311",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
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"kw":"Built-In Functions",
"title":"Built-In Functions",
"githuburl":""
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"code":"312",
"des":"All data types can be compared by using relational operators and the result is returned as a BOOLEAN value.Relationship operators are binary operators. Two compared data ",
"doc_type":"sqlreference",
"kw":"Mathematical Operation Functions,Built-In Functions,SQL Syntax Reference",
"title":"Mathematical Operation Functions",
"githuburl":""
},
{
"uri":"dli_08_0096.html",
"product_code":"dli",
"code":"313",
"des":"The common character string functions of DLI are as follows:FunctionConcatenates two character strings.Concatenates two character strings.SyntaxVARCHAR VARCHAR a || VARCH",
"doc_type":"sqlreference",
"kw":"String Functions,Built-In Functions,SQL Syntax Reference",
"title":"String Functions",
"githuburl":""
},
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"code":"314",
"des":"Table 1 lists the time functions supported by Flink SQL.None",
"doc_type":"sqlreference",
"kw":"Temporal Functions,Built-In Functions,SQL Syntax Reference",
"title":"Temporal Functions",
"githuburl":""
},
{
"uri":"dli_08_0112.html",
"product_code":"dli",
"code":"315",
"des":"This function is used to forcibly convert types.If the input is NULL, NULL is returned.Flink jobs do not support the conversion of bigint to timestamp using CAST. You can",
"doc_type":"sqlreference",
"kw":"Type Conversion Functions,Built-In Functions,SQL Syntax Reference",
"title":"Type Conversion Functions",
"githuburl":""
},
{
"uri":"dli_08_0104.html",
"product_code":"dli",
"code":"316",
"des":"An aggregate function performs a calculation operation on a set of input values and returns a value. For example, the COUNT function counts the number of rows retrieved b",
"doc_type":"sqlreference",
"kw":"Aggregate Functions,Built-In Functions,SQL Syntax Reference",
"title":"Aggregate Functions",
"githuburl":""
},
{
"uri":"dli_08_0206.html",
"product_code":"dli",
"code":"317",
"des":"Table-valued functions can convert one row of records into multiple rows or convert one column of records into multiple columns. Table-valued functions can only be used i",
"doc_type":"sqlreference",
"kw":"Table-Valued Functions,Built-In Functions,SQL Syntax Reference",
"title":"Table-Valued Functions",
"githuburl":""
},
{
"uri":"dli_08_0101.html",
"product_code":"dli",
"code":"318",
"des":"Example:The returned number of elements in the array is 3.HELLO WORLD is returned.",
"doc_type":"sqlreference",
"kw":"Other Functions,Built-In Functions,SQL Syntax Reference",
"title":"Other Functions",
"githuburl":""
},
{
"uri":"dli_08_0099.html",
"product_code":"dli",
"code":"319",
"des":"DLI supports the following three types of user-defined functions (UDFs):Regular UDF: takes in one or more input parameters and returns a single result.User-defined table-",
"doc_type":"sqlreference",
"kw":"User-Defined Functions,Flink SQL Syntax,SQL Syntax Reference",
"title":"User-Defined Functions",
"githuburl":""
},
{
"uri":"dli_08_0209.html",
"product_code":"dli",
"code":"320",
"des":"Table 1 describes the basic geospatial geometric elements.You can build complex geospatial geometries based on basic geospatial geometric elements. Table 2 describes the ",
"doc_type":"sqlreference",
"kw":"Geographical Functions,Flink SQL Syntax,SQL Syntax Reference",
"title":"Geographical Functions",
"githuburl":""
},
{
"uri":"dli_08_0102.html",
"product_code":"dli",
"code":"321",
"des":"SyntaxDescriptionThe SELECT statement is used to select data from a table or insert constant data into a table.PrecautionsThe table to be queried must exist. Otherwise, a",
"doc_type":"sqlreference",
"kw":"SELECT,Flink SQL Syntax,SQL Syntax Reference",
"title":"SELECT",
"githuburl":""
},
{
"uri":"dli_08_0103.html",
"product_code":"dli",
"code":"322",
"des":"SyntaxorDescriptionIf the value of value is value1, result1 is returned. If the value is not any of the values listed in the clause, resultZ is returned. If no else state",
"doc_type":"sqlreference",
"kw":"Condition Expression,Flink SQL Syntax,SQL Syntax Reference",
"title":"Condition Expression",
"githuburl":""
},
{
"uri":"dli_08_0218.html",
"product_code":"dli",
"code":"323",
"des":"DescriptionGroup Window is defined in GROUP BY. One record is generated from each group. Group Window involves the following functions:time_attr can be processing-time or",
"doc_type":"sqlreference",
"kw":"Window,Flink SQL Syntax,SQL Syntax Reference",
"title":"Window",
"githuburl":""
},
{
"uri":"dli_08_0106.html",
"product_code":"dli",
"code":"324",
"des":"The JOIN operation allows you to query data from a table and write the query result to the sink stream. Currently, only RDSs and DCS Redis tables are supported. The ON ke",
"doc_type":"sqlreference",
"kw":"JOIN Between Stream Data and Table Data,Flink SQL Syntax,SQL Syntax Reference",
"title":"JOIN Between Stream Data and Table Data",
"githuburl":""
},
{
"uri":"dli_08_0107.html",
"product_code":"dli",
"code":"325",
"des":"Flink provides two time models: processing time and event time.DLI allows you to specify the time model during creation of the source stream and temporary stream.Processi",
"doc_type":"sqlreference",
"kw":"Configuring Time Models,Flink SQL Syntax,SQL Syntax Reference",
"title":"Configuring Time Models",
"githuburl":""
},
{
"uri":"dli_08_0108.html",
"product_code":"dli",
"code":"326",
"des":"Complex event processing (CEP) is used to detect complex patterns in endless data streams so as to identify and search patterns in various data rows. Pattern matching is ",
"doc_type":"sqlreference",
"kw":"Pattern Matching,Flink SQL Syntax,SQL Syntax Reference",
"title":"Pattern Matching",
"githuburl":""
},
{
"uri":"dli_08_0109.html",
"product_code":"dli",
"code":"327",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"StreamingML",
"title":"StreamingML",
"githuburl":""
},
{
"uri":"dli_08_0110.html",
"product_code":"dli",
"code":"328",
"des":"Anomaly detection applies to various scenarios, including intrusion detection, financial fraud detection, sensor data monitoring, medical diagnosis, natural data detectio",
"doc_type":"sqlreference",
"kw":"Anomaly Detection,StreamingML,SQL Syntax Reference",
"title":"Anomaly Detection",
"githuburl":""
},
{
"uri":"dli_08_0111.html",
"product_code":"dli",
"code":"329",
"des":"Modeling and forecasting time series is a common task in many business verticals. Modeling is used to extract meaningful statistics and other characteristics of the data.",
"doc_type":"sqlreference",
"kw":"Time Series Forecasting,StreamingML,SQL Syntax Reference",
"title":"Time Series Forecasting",
"githuburl":""
},
{
"uri":"dli_08_0216.html",
"product_code":"dli",
"code":"330",
"des":"Clustering algorithms belong to unsupervised algorithms. K-Means, a clustering algorithm, partitions data points into related clusters by calculating the distance between",
"doc_type":"sqlreference",
"kw":"Real-Time Clustering,StreamingML,SQL Syntax Reference",
"title":"Real-Time Clustering",
"githuburl":""
},
{
"uri":"dli_08_0088.html",
"product_code":"dli",
"code":"331",
"des":"Deep learning has a wide range of applications in many industries, such as image classification, image recognition, and speech recognition. DLI provides several functions",
"doc_type":"sqlreference",
"kw":"Deep Learning Model Prediction,StreamingML,SQL Syntax Reference",
"title":"Deep Learning Model Prediction",
"githuburl":""
},
{
"uri":"dli_08_0125.html",
"product_code":"dli",
"code":"332",
"des":"Flink SQL reserves some strings as keywords. If you want to use the following character strings as field names, ensure that they are enclosed by back quotes, for example,",
"doc_type":"sqlreference",
"kw":"Reserved Keywords,Flink SQL Syntax,SQL Syntax Reference",
"title":"Reserved Keywords",
"githuburl":""
},
{
"uri":"dli_08_0001.html",
"product_code":"dli",
"code":"333",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"Identifiers",
"title":"Identifiers",
"githuburl":""
},
{
"uri":"dli_08_0002.html",
"product_code":"dli",
"code":"334",
"des":"None.Aggregate function.",
"doc_type":"sqlreference",
"kw":"aggregate_func,Identifiers,SQL Syntax Reference",
"title":"aggregate_func",
"githuburl":""
},
{
"uri":"dli_08_0003.html",
"product_code":"dli",
"code":"335",
"des":"None.Alias, which must be STRING type. It can be assigned to a field, table, view, or subquery.",
"doc_type":"sqlreference",
"kw":"alias,Identifiers,SQL Syntax Reference",
"title":"alias",
"githuburl":""
},
{
"uri":"dli_08_0004.html",
"product_code":"dli",
"code":"336",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"attr_expr,Identifiers,SQL Syntax Reference",
"title":"attr_expr",
"githuburl":""
},
{
"uri":"dli_08_0005.html",
"product_code":"dli",
"code":"337",
"des":"None.List of attr_expr, which is separated by commas (,).",
"doc_type":"sqlreference",
"kw":"attr_expr_list,Identifiers,SQL Syntax Reference",
"title":"attr_expr_list",
"githuburl":""
},
{
"uri":"dli_08_0006.html",
"product_code":"dli",
"code":"338",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"attrs_value_set_expr,Identifiers,SQL Syntax Reference",
"title":"attrs_value_set_expr",
"githuburl":""
},
{
"uri":"dli_08_0007.html",
"product_code":"dli",
"code":"339",
"des":"None.Return a boolean expression.",
"doc_type":"sqlreference",
"kw":"boolean_expression,Identifiers,SQL Syntax Reference",
"title":"boolean_expression",
"githuburl":""
},
{
"uri":"dli_08_0009.html",
"product_code":"dli",
"code":"340",
"des":"None.Formal parameter for function call. It is usually a field name, which is the same as col_name.",
"doc_type":"sqlreference",
"kw":"col,Identifiers,SQL Syntax Reference",
"title":"col",
"githuburl":""
},
{
"uri":"dli_08_0010.html",
"product_code":"dli",
"code":"341",
"des":"None.Column (field) description, which must be STRING type and cannot exceed 256 bytes.",
"doc_type":"sqlreference",
"kw":"col_comment,Identifiers,SQL Syntax Reference",
"title":"col_comment",
"githuburl":""
},
{
"uri":"dli_08_0011.html",
"product_code":"dli",
"code":"342",
"des":"None.Column name, which must be STRING type and cannot exceed 128 bytes.",
"doc_type":"sqlreference",
"kw":"col_name,Identifiers,SQL Syntax Reference",
"title":"col_name",
"githuburl":""
},
{
"uri":"dli_08_0012.html",
"product_code":"dli",
"code":"343",
"des":"None.Field list, which consists of one col_name or more. If there is more than one col_name, separate them by using a comma (,).",
"doc_type":"sqlreference",
"kw":"col_name_list,Identifiers,SQL Syntax Reference",
"title":"col_name_list",
"githuburl":""
},
{
"uri":"dli_08_0013.html",
"product_code":"dli",
"code":"344",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"condition,Identifiers,SQL Syntax Reference",
"title":"condition",
"githuburl":""
},
{
"uri":"dli_08_0014.html",
"product_code":"dli",
"code":"345",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"condition_list,Identifiers,SQL Syntax Reference",
"title":"condition_list",
"githuburl":""
},
{
"uri":"dli_08_0015.html",
"product_code":"dli",
"code":"346",
"des":"None.Common expression name.",
"doc_type":"sqlreference",
"kw":"cte_name,Identifiers,SQL Syntax Reference",
"title":"cte_name",
"githuburl":""
},
{
"uri":"dli_08_0016.html",
"product_code":"dli",
"code":"347",
"des":"None.Data type. Currently, only the primitive data types are supported.",
"doc_type":"sqlreference",
"kw":"data_type,Identifiers,SQL Syntax Reference",
"title":"data_type",
"githuburl":""
},
{
"uri":"dli_08_0017.html",
"product_code":"dli",
"code":"348",
"des":"None.Database description, which must be STRING type and cannot exceed 256 characters.",
"doc_type":"sqlreference",
"kw":"db_comment,Identifiers,SQL Syntax Reference",
"title":"db_comment",
"githuburl":""
},
{
"uri":"dli_08_0018.html",
"product_code":"dli",
"code":"349",
"des":"None.Database name, which must be STRING type and cannot exceed 128 bytes.",
"doc_type":"sqlreference",
"kw":"db_name,Identifiers,SQL Syntax Reference",
"title":"db_name",
"githuburl":""
},
{
"uri":"dli_08_0019.html",
"product_code":"dli",
"code":"350",
"des":"None.Returned result for the ELSE clause of the CASE WHEN statement.",
"doc_type":"sqlreference",
"kw":"else_result_expression,Identifiers,SQL Syntax Reference",
"title":"else_result_expression",
"githuburl":""
},
{
"uri":"dli_08_0020.html",
"product_code":"dli",
"code":"351",
"des":"| AVRO| CSV| JSON| ORC| PARQUETCurrently, the preceding formats are supported.Both USING and STORED AS can be used for specifying the data format. You can specify the pre",
"doc_type":"sqlreference",
"kw":"file_format,Identifiers,SQL Syntax Reference",
"title":"file_format",
"githuburl":""
},
{
"uri":"dli_08_0021.html",
"product_code":"dli",
"code":"352",
"des":"None.File path, which is the OBS path",
"doc_type":"sqlreference",
"kw":"file_path,Identifiers,SQL Syntax Reference",
"title":"file_path",
"githuburl":""
},
{
"uri":"dli_08_0022.html",
"product_code":"dli",
"code":"353",
"des":"None.Function name, which must be STRING type.",
"doc_type":"sqlreference",
"kw":"function_name,Identifiers,SQL Syntax Reference",
"title":"function_name",
"githuburl":""
},
{
"uri":"dli_08_0023.html",
"product_code":"dli",
"code":"354",
"des":"None.Expression that includes GROUP BY.",
"doc_type":"sqlreference",
"kw":"groupby_expression,Identifiers,SQL Syntax Reference",
"title":"groupby_expression",
"githuburl":""
},
{
"uri":"dli_08_0024.html",
"product_code":"dli",
"code":"355",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"having_condition,Identifiers,SQL Syntax Reference",
"title":"having_condition",
"githuburl":""
},
{
"uri":"dli_08_0026.html",
"product_code":"dli",
"code":"356",
"des":"None.Input expression of the CASE WHEN statement.",
"doc_type":"sqlreference",
"kw":"input_expression,Identifiers,SQL Syntax Reference",
"title":"input_expression",
"githuburl":""
},
{
"uri":"dli_08_0029.html",
"product_code":"dli",
"code":"357",
"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"doc_type":"sqlreference",
"kw":"join_condition,Identifiers,SQL Syntax Reference",
"title":"join_condition",
"githuburl":""
},
{
"uri":"dli_08_0030.html",
"product_code":"dli",
"code":"358",
"des":"None.The condition of an inequality join.",
"doc_type":"sqlreference",
"kw":"non_equi_join_condition,Identifiers,SQL Syntax Reference",
"title":"non_equi_join_condition",
"githuburl":""
},
{
"uri":"dli_08_0031.html",
"product_code":"dli",
"code":"359",
"des":"None.Maximum number of output lines specified by LIMIT. Which must be INT type.",
"doc_type":"sqlreference",
"kw":"number,Identifiers,SQL Syntax Reference",
"title":"number",
"githuburl":""
},
{
"uri":"dli_08_0034.html",
"product_code":"dli",
"code":"360",
"des":"None.Partition column name, that is, partition field name, which must be STRING type.",
"doc_type":"sqlreference",
"kw":"partition_col_name,Identifiers,SQL Syntax Reference",
"title":"partition_col_name",
"githuburl":""
},
{
"uri":"dli_08_0035.html",
"product_code":"dli",
"code":"361",
"des":"None.Partition column value, that is, partition field value.",
"doc_type":"sqlreference",
"kw":"partition_col_value,Identifiers,SQL Syntax Reference",
"title":"partition_col_value",
"githuburl":""
},
{
"uri":"dli_08_0036.html",
"product_code":"dli",
"code":"362",
"des":"partition_specs : (partition_col_name = partition_col_value, partition_col_name = partition_col_value, ...);Table partition list, which is expressed by using key=value pa",
"doc_type":"sqlreference",
"kw":"partition_specs,Identifiers,SQL Syntax Reference",
"title":"partition_specs",
"githuburl":""
},
{
"uri":"dli_08_0037.html",
"product_code":"dli",
"code":"363",
"des":"None.Property name, which must be STRING type.",
"doc_type":"sqlreference",
"kw":"property_name,Identifiers,SQL Syntax Reference",
"title":"property_name",
"githuburl":""
},
{
"uri":"dli_08_0038.html",
"product_code":"dli",
"code":"364",
"des":"None.Property value, which must be STRING type.",
"doc_type":"sqlreference",
"kw":"property_value,Identifiers,SQL Syntax Reference",
"title":"property_value",
"githuburl":""
},
{
"uri":"dli_08_0039.html",
"product_code":"dli",
"code":"365",
"des":"None.Pattern matching string, which supports wildcard matching.",
"doc_type":"sqlreference",
"kw":"regex_expression,Identifiers,SQL Syntax Reference",
"title":"regex_expression",
"githuburl":""
},
{
"uri":"dli_08_0040.html",
"product_code":"dli",
"code":"366",
"des":"None.Returned result for the THEN clause of the CASE WHEN statement.",
"doc_type":"sqlreference",
"kw":"result_expression,Identifiers,SQL Syntax Reference",
"title":"result_expression",
"githuburl":""
},
{
"uri":"dli_08_0042.html",
"product_code":"dli",
"code":"367",
"des":"None.Query clause for the basic SELECT statement.",
"doc_type":"sqlreference",
"kw":"select_statement,Identifiers,SQL Syntax Reference",
"title":"select_statement",
"githuburl":""
},
{
"uri":"dli_08_0043.html",
"product_code":"dli",
"code":"368",
"des":"None.Separator, which can be customized by users, for example, comma (,), semicolon (;), and colon (:). Which must be CHAR type.",
"doc_type":"sqlreference",
"kw":"separator,Identifiers,SQL Syntax Reference",
"title":"separator",
"githuburl":""
},
{
"uri":"dli_08_0045.html",
"product_code":"dli",
"code":"369",
"des":"None.SQL statement containing the common expression defined by cte_name.",
"doc_type":"sqlreference",
"kw":"sql_containing_cte_name,Identifiers,SQL Syntax Reference",
"title":"sql_containing_cte_name",
"githuburl":""
},
{
"uri":"dli_08_0046.html",
"product_code":"dli",
"code":"370",
"des":"None.Subquery.",
"doc_type":"sqlreference",
"kw":"sub_query,Identifiers,SQL Syntax Reference",
"title":"sub_query",
"githuburl":""
},
{
"uri":"dli_08_0047.html",
"product_code":"dli",
"code":"371",
"des":"None.Table description, which must be STRING type and cannot exceed 256 bytes.",
"doc_type":"sqlreference",
"kw":"table_comment,Identifiers,SQL Syntax Reference",
"title":"table_comment",
"githuburl":""
},
{
"uri":"dli_08_0048.html",
"product_code":"dli",
"code":"372",
"des":"NoneTable name, which cannot exceed 128 bytes. The string type and \"$\" symbol are supported.",
"doc_type":"sqlreference",
"kw":"table_name,Identifiers,SQL Syntax Reference",
"title":"table_name",
"githuburl":""
},
{
"uri":"dli_08_0049.html",
"product_code":"dli",
"code":"373",
"des":"None.Table property list, which is expressed by using key=value pairs. key represents property_name, and value represents property_value. If there is more than one key=va",
"doc_type":"sqlreference",
"kw":"table_properties,Identifiers,SQL Syntax Reference",
"title":"table_properties",
"githuburl":""
},
{
"uri":"dli_08_0050.html",
"product_code":"dli",
"code":"374",
"des":"None.Table or view name, which must be STRING type. It can also be a subquery. If it is subquery, an alias must also be provided.",
"doc_type":"sqlreference",
"kw":"table_reference,Identifiers,SQL Syntax Reference",
"title":"table_reference",
"githuburl":""
},
{
"uri":"dli_08_0053.html",
"product_code":"dli",
"code":"375",
"des":"None.When expression of the CASE WHEN statement. It is used for matching with the input expression.",
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{
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"des":"None.Analysis window function. For details, see Window Functions.",
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{
"uri":"dli_08_0061.html",
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"des":"All data types can be compared by using relational operators and the result is returned as a BOOLEAN value.Relationship operators are binary operators. Two compared data ",
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{
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"des":"Arithmetic operators include binary operators and unary operators. For both types of operators, the returned results are numbers. Table 1 lists the arithmetic operators s",
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{
"uri":"dli_08_0063.html",
"product_code":"dli",
"code":"381",
"des":"Common logical operators include AND, OR, and NOT. The operation result can be TRUE, FALSE, or NULL (which means unknown). The priorities of the operators are as follows:",
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{
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"code":"382",
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"kw":"Change History,SQL Syntax Reference",
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