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doc-exports/docs/dws/tool/CLASS.TXT.json
Lu, Huayi 4194b50d78 DWS TOOL 811 version 
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com>
Co-authored-by: Lu, Huayi <luhuayi@huawei.com>
Co-committed-by: Lu, Huayi <luhuayi@huawei.com>
2022-12-14 20:46:26 +00:00

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[
{
"desc":"This document describes how to use GaussDB(DWS) tools, including client tools, as shown in Table 1, and server tools, as shown in Table 2.The client tools can be obtained",
"product_code":"dws",
"title":"Overview",
"uri":"dws_07_0001.html",
"doc_type":"tg",
"p_code":"",
"code":"1"
},
{
"desc":"Log in to the GaussDB(DWS) management console at: https://console.otc.t-systems.com/dws/You can download the following tools:gsql CLI client: The gsql tool package contai",
"product_code":"dws",
"title":"Downloading Client Tools",
"uri":"dws_07_0002.html",
"doc_type":"tg",
"p_code":"",
"code":"2"
},
{
"desc":"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.",
"product_code":"dws",
"title":"gsql - CLI Client",
"uri":"dws_gsql_index.html",
"doc_type":"tg",
"p_code":"",
"code":"3"
},
{
"desc":"Connect to the database: Use the gsql client to remotely connect to the GaussDB(DWS) database. If the gsql client is used to connect to a database, the connection timeout",
"product_code":"dws",
"title":"Overview",
"uri":"dws_gsql_002.html",
"doc_type":"tg",
"p_code":"3",
"code":"4"
},
{
"desc":"For details about how to download and install gsql and connect it to the cluster database, see \"Using the gsql CLI Client to Connect to a Cluster\" in the Data Warehouse S",
"product_code":"dws",
"title":"Instruction",
"uri":"dws_gsql_003.html",
"doc_type":"tg",
"p_code":"3",
"code":"5"
},
{
"desc":"When a database is being connected, run the following commands to obtain the help information:gsql --helpThe following information is displayed:......\nUsage:\n gsql [OPTI",
"product_code":"dws",
"title":"Online Help",
"uri":"dws_gsql_005.html",
"doc_type":"tg",
"p_code":"3",
"code":"6"
},
{
"desc":"For details about gsql parameters, see Table 1, Table 2, Table 3, and Table 4.",
"product_code":"dws",
"title":"Command Reference",
"uri":"dws_gsql_006.html",
"doc_type":"tg",
"p_code":"3",
"code":"7"
},
{
"desc":"This section describes meta-commands provided by gsql after the GaussDB(DWS) database CLI tool is used to connect to a database. A gsql meta-command can be anything that ",
"product_code":"dws",
"title":"Meta-Command Reference",
"uri":"dws_gsql_007.html",
"doc_type":"tg",
"p_code":"3",
"code":"8"
},
{
"desc":"The database kernel slowly runs the initialization statement.Problems are difficult to locate in this scenario. Try using the strace Linux trace command.strace gsql -U My",
"product_code":"dws",
"title":"Troubleshooting",
"uri":"dws_gsql_008.html",
"doc_type":"tg",
"p_code":"3",
"code":"9"
},
{
"desc":"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.",
"product_code":"dws",
"title":"Data Studio - Integrated Database Development Tool",
"uri":"dws_ds_index.html",
"doc_type":"tg",
"p_code":"",
"code":"10"
},
{
"desc":"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.",
"product_code":"dws",
"title":"About Data Studio",
"uri":"DWS_DS_09.html",
"doc_type":"tg",
"p_code":"10",
"code":"11"
},
{
"desc":"Data Studio shows major database features using a GUI to simplify database development and application building.Data Studio allows database developers to create and manag",
"product_code":"dws",
"title":"Overview",
"uri":"dws_07_0012.html",
"doc_type":"tg",
"p_code":"11",
"code":"12"
},
{
"desc":"This section describes the constraints and limitations for using Data Studio.The filter count and filter status are not displayed in the filter tree.If the SQL statement,",
"product_code":"dws",
"title":"Constraints and Limitations",
"uri":"DWS_DS_12.html",
"doc_type":"tg",
"p_code":"11",
"code":"13"
},
{
"desc":"The following figure shows the structure of the Data Studio release package.",
"product_code":"dws",
"title":"Structure of the Release Package",
"uri":"DWS_DS_13.html",
"doc_type":"tg",
"p_code":"11",
"code":"14"
},
{
"desc":"This section describes the minimum system requirements for using Data Studio.OSThe following table lists the OS requirements of Data Studio.BrowserThe following table lis",
"product_code":"dws",
"title":"System Requirements",
"uri":"DWS_DS_14.html",
"doc_type":"tg",
"p_code":"11",
"code":"15"
},
{
"desc":"This section describes how to install and configure Data Studio, and how to configure servers for debugging PL/SQL Functions.Topics in this section include:Installing Dat",
"product_code":"dws",
"title":"Installing and Configuring Data Studio",
"uri":"DWS_DS_16.html",
"doc_type":"tg",
"p_code":"10",
"code":"16"
},
{
"desc":"This section describes the steps to be followed to start Data Studio.The StartDataStudio.bat batch file checks the version of Operating System (OS), Java and Data Studio ",
"product_code":"dws",
"title":"Getting Started",
"uri":"DWS_DS_19.html",
"doc_type":"tg",
"p_code":"10",
"code":"17"
},
{
"desc":"This section describes the Data Studio GUI.The Data Studio GUI contains the following:Main Menu provides basic operations of Data Studio.Toolbar contains the access to fr",
"product_code":"dws",
"title":"Data Studio GUI",
"uri":"DWS_DS_20.html",
"doc_type":"tg",
"p_code":"10",
"code":"18"
},
{
"desc":"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.",
"product_code":"dws",
"title":"Data Studio Menus",
"uri":"DWS_DS_21.html",
"doc_type":"tg",
"p_code":"10",
"code":"19"
},
{
"desc":"The File menu contains database connection options. Click File in the main menu or press Alt+F to open the File menu.Perform the following steps to stop Data Studio:Alter",
"product_code":"dws",
"title":"File",
"uri":"DWS_DS_22.html",
"doc_type":"tg",
"p_code":"19",
"code":"20"
},
{
"desc":"The Editmenu contains clipboard, Format, Find and Replace, andSearch Objectsoperations to use in the PL/SQL Viewer and SQL Terminal tab. Press Alt+E to open the Edit menu",
"product_code":"dws",
"title":"Edit",
"uri":"DWS_DS_23.html",
"doc_type":"tg",
"p_code":"19",
"code":"21"
},
{
"desc":"The Run menu contains options of performing a database operation in the PL/SQL Viewer tab and executing SQL statements in the SQL Terminal tab. Press Alt+R to open the Ru",
"product_code":"dws",
"title":"Run",
"uri":"DWS_DS_24.html",
"doc_type":"tg",
"p_code":"19",
"code":"22"
},
{
"desc":"The Debug menu contains debugging operations in the PL/SQL Viewer and SQL Terminal tabs. Press Alt+D to open the Debug menu.",
"product_code":"dws",
"title":"Debug",
"uri":"DWS_DS_25.html",
"doc_type":"tg",
"p_code":"19",
"code":"23"
},
{
"desc":"The Settings menu contains the option of changing the language. Press Alt+G to open the Settings menu.",
"product_code":"dws",
"title":"Settings",
"uri":"DWS_DS_26.html",
"doc_type":"tg",
"p_code":"19",
"code":"24"
},
{
"desc":"The Help menu contains the user manual and version information of Data Studio. Press Alt+H to open the Help menu.Visit https://java.com/en/download/help/path.xml to set t",
"product_code":"dws",
"title":"Help",
"uri":"DWS_DS_27.html",
"doc_type":"tg",
"p_code":"19",
"code":"25"
},
{
"desc":"The following figure shows the Data Studio Toolbar.The toolbar contains the following operations:Adding a ConnectionRemoving a ConnectionConnecting to a DatabaseDisconnec",
"product_code":"dws",
"title":"Data Studio Toolbar",
"uri":"DWS_DS_28.html",
"doc_type":"tg",
"p_code":"10",
"code":"26"
},
{
"desc":"This section describes the right-click menus of Data Studio.The following figure shows the Object Browser pane.Right-clicking a connection name allows you to select Renam",
"product_code":"dws",
"title":"Data Studio Right-Click Menus",
"uri":"DWS_DS_29.html",
"doc_type":"tg",
"p_code":"10",
"code":"27"
},
{
"desc":"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.",
"product_code":"dws",
"title":"Connection Profiles",
"uri":"DWS_DS_32.html",
"doc_type":"tg",
"p_code":"10",
"code":"28"
},
{
"desc":"When Data Studio is started, the New Database Connection dialog box is displayed by default. To perform database operations, Data Studio must be connected to at least one",
"product_code":"dws",
"title":"Overview",
"uri":"DWS_DS_33.html",
"doc_type":"tg",
"p_code":"28",
"code":"29"
},
{
"desc":"Perform the following steps to create a database connection.Alternatively, click on the toolbar, or press Ctrl+N to connect to the database. The New Database Connection ",
"product_code":"dws",
"title":"Adding a Connection",
"uri":"DWS_DS_34.html",
"doc_type":"tg",
"p_code":"28",
"code":"30"
},
{
"desc":"Perform the following steps to rename a database connection.A Rename Connection dialog box is displayed prompting you to enter the new connection name.The status of the c",
"product_code":"dws",
"title":"Renaming a Connection",
"uri":"DWS_DS_35.html",
"doc_type":"tg",
"p_code":"28",
"code":"31"
},
{
"desc":"Perform the following steps to edit the properties of a database connection.To edit an active connection, you need to disable the connection and then open the connection ",
"product_code":"dws",
"title":"Editing a Connection",
"uri":"DWS_DS_36.html",
"doc_type":"tg",
"p_code":"28",
"code":"32"
},
{
"desc":"Follow the steps below to remove an existing database connection:A confirmation dialog box is displayed to remove the connection.The status bar displays the status of the",
"product_code":"dws",
"title":"Removing a Connection",
"uri":"DWS_DS_37.html",
"doc_type":"tg",
"p_code":"28",
"code":"33"
},
{
"desc":"Follow the steps below to view the properties of a connection:The status bar displays the status of the completed operation.Properties of the selected connection is displ",
"product_code":"dws",
"title":"Viewing Connection Properties",
"uri":"DWS_DS_38.html",
"doc_type":"tg",
"p_code":"28",
"code":"34"
},
{
"desc":"Perform the following steps to refresh a database connection.The status of the completed operation is displayed in the status bar.The time taken to refresh a database dep",
"product_code":"dws",
"title":"Refreshing a Database Connection",
"uri":"DWS_DS_39.html",
"doc_type":"tg",
"p_code":"28",
"code":"35"
},
{
"desc":"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.",
"product_code":"dws",
"title":"Databases",
"uri":"DWS_DS_40.html",
"doc_type":"tg",
"p_code":"10",
"code":"36"
},
{
"desc":"A relational database is a database that has a set of tables which is manipulated in accordance with the relational model of data. It contains a set of data objects used ",
"product_code":"dws",
"title":"Creating a Database",
"uri":"DWS_DS_41.html",
"doc_type":"tg",
"p_code":"36",
"code":"37"
},
{
"desc":"You can disconnect all the databases from a connection.Follow the steps below to disconnect a connection from the database:This operation can be performed only when there",
"product_code":"dws",
"title":"Disconnecting All Databases",
"uri":"DWS_DS_42.html",
"doc_type":"tg",
"p_code":"36",
"code":"38"
},
{
"desc":"You can connect to the database.Follow the steps below to connect a database:This operation can be performed only on an inactive database.The database is connected.The st",
"product_code":"dws",
"title":"Connecting to a Database",
"uri":"DWS_DS_43.html",
"doc_type":"tg",
"p_code":"36",
"code":"39"
},
{
"desc":"You can disconnect the database.Follow the steps below to disconnect a database:This operation can be performed only on an active database.A confirmation dialog box is di",
"product_code":"dws",
"title":"Disconnecting a Database",
"uri":"DWS_DS_44.html",
"doc_type":"tg",
"p_code":"36",
"code":"40"
},
{
"desc":"Follow the steps below to rename a database:This operation can be performed only on an inactive database.A Rename Database dialog box is displayed prompting you to provid",
"product_code":"dws",
"title":"Renaming a Database",
"uri":"DWS_DS_45.html",
"doc_type":"tg",
"p_code":"36",
"code":"41"
},
{
"desc":"Individual or batch drop can be performed on databases. Refer to Batch Dropping Objects section for batch drop.Follow the steps below to drop a database:This operation ca",
"product_code":"dws",
"title":"Dropping a Database",
"uri":"DWS_DS_46.html",
"doc_type":"tg",
"p_code":"36",
"code":"42"
},
{
"desc":"Follow the steps below to view the properties of a database:This operation can be performed only on an active database.The status bar displays the status of the completed",
"product_code":"dws",
"title":"Viewing Properties of a Database",
"uri":"DWS_DS_47.html",
"doc_type":"tg",
"p_code":"36",
"code":"43"
},
{
"desc":"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.",
"product_code":"dws",
"title":"Schemas",
"uri":"DWS_DS_48.html",
"doc_type":"tg",
"p_code":"10",
"code":"44"
},
{
"desc":"This section describes working with database schemas. All system schemas are grouped under Catalogs and user schemas under Schemas.",
"product_code":"dws",
"title":"Overview",
"uri":"DWS_DS_49.html",
"doc_type":"tg",
"p_code":"44",
"code":"45"
},
{
"desc":"In relational database technology, schemas provide a logical classification of objects in the database. Some of the objects that a schema may contain include functions/pr",
"product_code":"dws",
"title":"Creating a Schema",
"uri":"DWS_DS_50.html",
"doc_type":"tg",
"p_code":"44",
"code":"46"
},
{
"desc":"You can export the schema DDL to export the DDL of functions/procedures, tables, sequences, and views of the schema.Perform the following steps to export the schema DDL:T",
"product_code":"dws",
"title":"Exporting Schema DDL",
"uri":"DWS_DS_51.html",
"doc_type":"tg",
"p_code":"44",
"code":"47"
},
{
"desc":"The exported schema DDL and data include the following:DDL of functions/proceduresDDL and data of tablesDDL of viewsDDL of sequencesPerform the following steps to export ",
"product_code":"dws",
"title":"Exporting Schema DDL and Data",
"uri":"DWS_DS_52.html",
"doc_type":"tg",
"p_code":"44",
"code":"48"
},
{
"desc":"Follow the steps to rename a schema:You can view the renamed schema in the Object Browser.The status bar displays the status of the completed operation.",
"product_code":"dws",
"title":"Renaming a Schema",
"uri":"DWS_DS_53.html",
"doc_type":"tg",
"p_code":"44",
"code":"49"
},
{
"desc":"Data Studio provides the option to show sequence DDL or allow users to export sequence DDL. It provides \"Show DDL\", \"Export DDL\", \"Export DDL and Data\"Follow the steps to",
"product_code":"dws",
"title":"Supporting Sequence DDL",
"uri":"DWS_DS_201.html",
"doc_type":"tg",
"p_code":"44",
"code":"50"
},
{
"desc":"Follow the steps below to grant/revoke a privilege:The Grant/Revoke dialog is displayed.In SQL Preview tab, you can view the SQL query automatically generated for the inp",
"product_code":"dws",
"title":"Granting/Revoking a Privilege",
"uri":"DWS_DS_54.html",
"doc_type":"tg",
"p_code":"44",
"code":"51"
},
{
"desc":"Individual or batch dropping can be performed on schemas. Refer to Batch Dropping Objects section for batch dropping.Follow the steps below to drop a schema:A confirmatio",
"product_code":"dws",
"title":"Dropping a Schema",
"uri":"DWS_DS_55.html",
"doc_type":"tg",
"p_code":"44",
"code":"52"
},
{
"desc":"Perform the following steps to create a function/procedure and SQL function:The selected template is displayed in the new tab of Data Studio.The Created function/procedur",
"product_code":"dws",
"title":"Creating a Function/Procedure",
"uri":"DWS_DS_57.html",
"doc_type":"tg",
"p_code":"10",
"code":"53"
},
{
"desc":"Perform the following steps to edit a function/procedure or SQL function:The selected function/procedure or SQL function is displayed in the PL/SQL Viewer tab page.If mul",
"product_code":"dws",
"title":"Editing a Function/Procedure",
"uri":"DWS_DS_58.html",
"doc_type":"tg",
"p_code":"10",
"code":"54"
},
{
"desc":"Perform the following steps to grant or revoke a permission:The Grant/Revoke dialog box is displayed.The Privilege Selection tab is displayed.The SQL Preview tab displays",
"product_code":"dws",
"title":"Granting/Revoking a Permission (Function/Procedure)",
"uri":"DWS_DS_59.html",
"doc_type":"tg",
"p_code":"10",
"code":"55"
},
{
"desc":"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.",
"product_code":"dws",
"title":"Debugging a PL/SQL Function",
"uri":"DWS_DS_62.html",
"doc_type":"tg",
"p_code":"10",
"code":"56"
},
{
"desc":"During debugging, if the connection is lost but the database remains connected to Object Browser, the Connection Error dialog box is displayed with the following options:",
"product_code":"dws",
"title":"Overview",
"uri":"DWS_DS_621.html",
"doc_type":"tg",
"p_code":"56",
"code":"57"
},
{
"desc":"Topics in this section include:Using the Breakpoints PaneSetting or Adding a Breakpoint on a LineEnabling or Disabling a Breakpoint on a LineRemoving a Breakpoint from a ",
"product_code":"dws",
"title":"Using Breakpoints",
"uri":"DWS_DS_622.html",
"doc_type":"tg",
"p_code":"56",
"code":"58"
},
{
"desc":"Topics in this section include:Starting DebuggingSingle Stepping a PL/SQL FunctionContinuing the DebuggingViewing CallstackSelect the function that you want to debug in t",
"product_code":"dws",
"title":"Controlling Execution",
"uri":"DWS_DS_623.html",
"doc_type":"tg",
"p_code":"56",
"code":"59"
},
{
"desc":"When you use Data Studio, you can examine debugging information through several debugging panes. This section describes how to check the debugging information:Operating o",
"product_code":"dws",
"title":"Checking Debugging Information",
"uri":"DWS_DS_624.html",
"doc_type":"tg",
"p_code":"56",
"code":"60"
},
{
"desc":"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.",
"product_code":"dws",
"title":"Working with Functions/Procedures",
"uri":"DWS_DS_60.html",
"doc_type":"tg",
"p_code":"10",
"code":"61"
},
{
"desc":"This section provides you with details on working with functions/procedures and SQL functions in Data Studio.Data Studio supports PL/pgSQL and SQL languages for the opera",
"product_code":"dws",
"title":"Overview",
"uri":"DWS_DS_61.html",
"doc_type":"tg",
"p_code":"61",
"code":"62"
},
{
"desc":"Data Studio suggests a list of possible schema names, table names, column names, views, sequences, and functions in thePL/SQL Viewer.Follow the steps below to select a DB",
"product_code":"dws",
"title":"Selecting a DB Object in the PL/SQL Viewer",
"uri":"DWS_DS_63.html",
"doc_type":"tg",
"p_code":"61",
"code":"63"
},
{
"desc":"Perform the following steps to export the DDL of a function or procedure:The Data Studio Security Disclaimer dialog box is displayed.The Save As dialog box is displayed.T",
"product_code":"dws",
"title":"Exporting the DDL of a Function or Procedure",
"uri":"DWS_DS_64.html",
"doc_type":"tg",
"p_code":"61",
"code":"64"
},
{
"desc":"Data Studio allows you to view table properties, procedures/functions and SQL functions.Follow the steps below to view table properties:The properties of the selected tab",
"product_code":"dws",
"title":"Viewing Object Properties in the PL/SQL Viewer",
"uri":"DWS_DS_65.html",
"doc_type":"tg",
"p_code":"61",
"code":"65"
},
{
"desc":"Individual or batch drop can be performed on functions/procedures. Refer to Batch Dropping Objects section for batch drop.Follow the steps below to drop a function/proced",
"product_code":"dws",
"title":"Dropping a Function/Procedure",
"uri":"DWS_DS_66.html",
"doc_type":"tg",
"p_code":"61",
"code":"66"
},
{
"desc":"After you connect to the database, all the stored functions/procedures and tables will be automatically populated in the Object Browser pane. You can use Data Studio to e",
"product_code":"dws",
"title":"Executing a Function/Procedure",
"uri":"DWS_DS_67.html",
"doc_type":"tg",
"p_code":"61",
"code":"67"
},
{
"desc":"Follow the steps below to grant/revoke a privilege:The Grant/Revoke dialog box is displayed.",
"product_code":"dws",
"title":"Granting/Revoking a Privilege",
"uri":"DWS_DS_68.html",
"doc_type":"tg",
"p_code":"61",
"code":"68"
},
{
"desc":"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.",
"product_code":"dws",
"title":"GaussDB(DWS) Tables",
"uri":"DWS_DS_69.html",
"doc_type":"tg",
"p_code":"10",
"code":"69"
},
{
"desc":"This section describes how to manage tables efficiently.You need to configure all mandatory parameters to complete the operation. Mandatory parameters are marked with an ",
"product_code":"dws",
"title":"Table Management Overview",
"uri":"DWS_DS_70.html",
"doc_type":"tg",
"p_code":"69",
"code":"70"
},
{
"desc":"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.",
"product_code":"dws",
"title":"Creating Regular Table",
"uri":"DWS_DS_71.html",
"doc_type":"tg",
"p_code":"69",
"code":"71"
},
{
"desc":"This section describes how to create a common table.A table is a logical structure maintained by a database administrator and consists of rows and columns. You can define",
"product_code":"dws",
"title":"Overview",
"uri":"DWS_DS_72.html",
"doc_type":"tg",
"p_code":"71",
"code":"72"
},
{
"desc":"After creating a table, you can add new columns in that table. You can also perform the following operations on the existing column only for a Regular table:Creating a Ne",
"product_code":"dws",
"title":"Working with Columns",
"uri":"DWS_DS_73.html",
"doc_type":"tg",
"p_code":"71",
"code":"73"
},
{
"desc":"You can perform the following operations after a table is created only for a Regular table:Creating a ConstraintRenaming a ConstraintDropping a ConstraintFollow the steps",
"product_code":"dws",
"title":"Working with Constraints",
"uri":"DWS_DS_74.html",
"doc_type":"tg",
"p_code":"71",
"code":"74"
},
{
"desc":"You can create indexes in a table to search for data efficiently.After a table is created, you can add indexes to it. You can perform the following operations only in a c",
"product_code":"dws",
"title":"Managing Indexes",
"uri":"DWS_DS_75.html",
"doc_type":"tg",
"p_code":"71",
"code":"75"
},
{
"desc":"Foreign tables created using query execution in SQL Terminal or any other tool can be viewed in the Object browser after refresh.GDS Foreign table is denoted with icon b",
"product_code":"dws",
"title":"Creating Foreign Table",
"uri":"DWS_DS_76.html",
"doc_type":"tg",
"p_code":"69",
"code":"76"
},
{
"desc":"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.",
"product_code":"dws",
"title":"Creating Partition Table",
"uri":"DWS_DS_77.html",
"doc_type":"tg",
"p_code":"69",
"code":"77"
},
{
"desc":"Partitioning refers to splitting what is logically one large table into smaller physical pieces based on specific schemes. The table based on the logic is called a partit",
"product_code":"dws",
"title":"Overview",
"uri":"DWS_DS_78.html",
"doc_type":"tg",
"p_code":"77",
"code":"78"
},
{
"desc":"After creating a table, you can add/modify partitions. You can also perform the following operations on an existing partition:Renaming a PartitionDropping a PartitionFoll",
"product_code":"dws",
"title":"Working with Partitions",
"uri":"DWS_DS_79.html",
"doc_type":"tg",
"p_code":"77",
"code":"79"
},
{
"desc":"Follow the steps below to grant/revoke a privilege:The Grant/Revoke dialog box is displayed.In the SQL Preview tab, you can view the SQL query automatically generated for",
"product_code":"dws",
"title":"Grant/Revoke Privilege - Regular/Partition Table",
"uri":"DWS_DS_80.html",
"doc_type":"tg",
"p_code":"69",
"code":"80"
},
{
"desc":"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.",
"product_code":"dws",
"title":"Managing Table",
"uri":"DWS_DS_81.html",
"doc_type":"tg",
"p_code":"69",
"code":"81"
},
{
"desc":"This section describes how to manage tables efficiently.You need to configure all mandatory parameters to complete the operation. Mandatory parameters are marked with ast",
"product_code":"dws",
"title":"Overview",
"uri":"DWS_DS_82.html",
"doc_type":"tg",
"p_code":"81",
"code":"82"
},
{
"desc":"Follow the steps below to rename a table:The Rename Table dialog box is displayed prompting you to provide the new name.Data Studio displays the status of the operation i",
"product_code":"dws",
"title":"Renaming a Table",
"uri":"DWS_DS_83.html",
"doc_type":"tg",
"p_code":"81",
"code":"83"
},
{
"desc":"Follow the steps below to truncate a table:Data Studio prompts you to confirm this operation.A popup message and status bar display the status of the completed operation.",
"product_code":"dws",
"title":"Truncating a Table",
"uri":"DWS_DS_84.html",
"doc_type":"tg",
"p_code":"81",
"code":"84"
},
{
"desc":"Index facilitate lookup of records. You need to reindex tables in the following scenarios:The index is corrupted and no longer contains valid data. Although in theory thi",
"product_code":"dws",
"title":"Reindexing a Table",
"uri":"DWS_DS_85.html",
"doc_type":"tg",
"p_code":"81",
"code":"85"
},
{
"desc":"The analyzing table operation collects statistics about tables and table indicies and stores the collected information in internal tables of the database where the query ",
"product_code":"dws",
"title":"Analyzing a Table",
"uri":"DWS_DS_86.html",
"doc_type":"tg",
"p_code":"81",
"code":"86"
},
{
"desc":"Vacuuming table operation reclaims space and makes it available for re-use.Follow the steps below to vacuum the table:The Vacuum Table message and status bar display the ",
"product_code":"dws",
"title":"Vacuuming a Table",
"uri":"DWS_DS_87.html",
"doc_type":"tg",
"p_code":"81",
"code":"87"
},
{
"desc":"Follow the steps below to set the description of a table:The Update Table Description dialog box is displayed. It prompts you to set the table description.The status bar ",
"product_code":"dws",
"title":"Setting the Table Description",
"uri":"DWS_DS_88.html",
"doc_type":"tg",
"p_code":"81",
"code":"88"
},
{
"desc":"Follow the steps below to set a schema:TheSet Schema dialog box is displayed that prompts you to select the new schema for the selected table.The status bar displays the ",
"product_code":"dws",
"title":"Setting the Schema",
"uri":"DWS_DS_90.html",
"doc_type":"tg",
"p_code":"81",
"code":"89"
},
{
"desc":"Individual or batch dropping can be performed on tables. Refer to Batch Dropping Objects section for batch dropping.This operation removes the complete table structure (i",
"product_code":"dws",
"title":"Dropping a Table",
"uri":"DWS_DS_91.html",
"doc_type":"tg",
"p_code":"81",
"code":"90"
},
{
"desc":"Follow the steps below to view the properties of a table:Data Studio displays the properties (General, Columns, Constraints, and Index) of the selected table in different",
"product_code":"dws",
"title":"Viewing Table Properties",
"uri":"DWS_DS_92.html",
"doc_type":"tg",
"p_code":"81",
"code":"91"
},
{
"desc":"Follow the steps below to grant/revoke a privilege:The Grant/Revoke dialog is displayed.",
"product_code":"dws",
"title":"Grant/Revoke Privilege",
"uri":"DWS_DS_93.html",
"doc_type":"tg",
"p_code":"81",
"code":"92"
},
{
"desc":"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.",
"product_code":"dws",
"title":"Managing Table Data",
"uri":"DWS_DS_94.html",
"doc_type":"tg",
"p_code":"69",
"code":"93"
},
{
"desc":"Perform the following steps to export the table DDL:The Data Studio Security Disclaimer dialog box is displayed.The Save As dialog box is displayed.To cancel the export o",
"product_code":"dws",
"title":"Exporting Table DDL",
"uri":"DWS_DS_96.html",
"doc_type":"tg",
"p_code":"93",
"code":"94"
},
{
"desc":"The exported table DDL and data include the following:DDL of the tableColumns and rows of the tablePerform the following steps to export the table DDL and data:The Data S",
"product_code":"dws",
"title":"Exporting Table DDL and Data",
"uri":"DWS_DS_97.html",
"doc_type":"tg",
"p_code":"93",
"code":"95"
},
{
"desc":"Perform the following steps to export table data:The Export Table Data dialog box is displayed with the following options:Format: Table data can be exported in Excel (xls",
"product_code":"dws",
"title":"Exporting Table Data",
"uri":"DWS_DS_98.html",
"doc_type":"tg",
"p_code":"93",
"code":"96"
},
{
"desc":"Follow the steps below to show the DDL query of a table:The DDL of the selected table is displayed.A new terminal is opened each time the Show DDL operation is executed.M",
"product_code":"dws",
"title":"Showing DDL",
"uri":"DWS_DS_99.html",
"doc_type":"tg",
"p_code":"93",
"code":"97"
},
{
"desc":"Prerequisites:If the definition of the source file does not match that of the target table, modify the properties of the target table in the Import Table Data dialog box.",
"product_code":"dws",
"title":"Importing Table Data",
"uri":"DWS_DS_100.html",
"doc_type":"tg",
"p_code":"93",
"code":"98"
},
{
"desc":"Follow the steps to view table data:The View Table Data tab is displayed where you can view the table data information.Toolbar menu in the View Table Data window:Icons in",
"product_code":"dws",
"title":"Viewing Table Data",
"uri":"DWS_DS_101.html",
"doc_type":"tg",
"p_code":"93",
"code":"99"
},
{
"desc":"Follow the steps below to edit table data:The Edit Table datatabisdisplayed.Refer to Viewing Table Data for description on copy and search toolbar options.Data Studio val",
"product_code":"dws",
"title":"Editing Table Data",
"uri":"DWS_DS_102.html",
"doc_type":"tg",
"p_code":"93",
"code":"100"
},
{
"desc":"Data Studio allows you to edit temporary tables. Temporary tables are deleted automatically when you close the connection that was used to create the table.Ensure that co",
"product_code":"dws",
"title":"Editing Temporary Tables",
"uri":"DWS_DS_103.html",
"doc_type":"tg",
"p_code":"69",
"code":"101"
},
{
"desc":"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.",
"product_code":"dws",
"title":"Sequences",
"uri":"DWS_DS_104.html",
"doc_type":"tg",
"p_code":"10",
"code":"102"
},
{
"desc":"Follow the steps below to create a sequence:The Create New Sequence dialog box is displayed.Enter a name in the Sequence Name field.Select theCase check box to retain the",
"product_code":"dws",
"title":"Creating Sequence",
"uri":"DWS_DS_105.html",
"doc_type":"tg",
"p_code":"102",
"code":"103"
},
{
"desc":"Follow the steps below to grant/revoke a privilege:The Grant/Revoke dialog is displayed.In the SQL Preview tab, you can view the SQL query automatically generated for the",
"product_code":"dws",
"title":"Grant/Revoke Privilege",
"uri":"DWS_DS_106.html",
"doc_type":"tg",
"p_code":"102",
"code":"104"
},
{
"desc":"You can perform the following operations on an existing sequence:Granting/Revoking a PrivilegeDropping a SequenceDropping a Sequence CascadeIndividual or batch dropping c",
"product_code":"dws",
"title":"Working with Sequences",
"uri":"DWS_DS_107.html",
"doc_type":"tg",
"p_code":"102",
"code":"105"
},
{
"desc":"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.",
"product_code":"dws",
"title":"Views",
"uri":"DWS_DS_108.html",
"doc_type":"tg",
"p_code":"10",
"code":"106"
},
{
"desc":"Follow the steps below to create a new view:The DDL template for the view is displayed in the SQL Terminal tab.You can view the new view in the Object Browser.The status ",
"product_code":"dws",
"title":"Creating a View",
"uri":"DWS_DS_109.html",
"doc_type":"tg",
"p_code":"106",
"code":"107"
},
{
"desc":"Follow the steps below to grant/revoke a privilege:The Grant/Revoke dialog box is displayed.In the SQL Preview tab, you can view the SQL query automatically generated for",
"product_code":"dws",
"title":"Granting/Revoking a Privilege",
"uri":"DWS_DS_110.html",
"doc_type":"tg",
"p_code":"106",
"code":"108"
},
{
"desc":"Views can be created to restrict access to specific rows or columns of a table. A view can be created from one or more tables and is determined by the query used to creat",
"product_code":"dws",
"title":"Working with Views",
"uri":"DWS_DS_111.html",
"doc_type":"tg",
"p_code":"106",
"code":"109"
},
{
"desc":"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.",
"product_code":"dws",
"title":"Users/Roles",
"uri":"DWS_DS_115.html",
"doc_type":"tg",
"p_code":"10",
"code":"110"
},
{
"desc":"A database is used by many users, and the users are grouped for management convenience. A database role can be one or a group of database users.Users and roles have simil",
"product_code":"dws",
"title":"Creating a User/Role",
"uri":"DWS_DS_116.html",
"doc_type":"tg",
"p_code":"110",
"code":"111"
},
{
"desc":"You can perform the following operations on an existing user/role:Dropping a User/RoleViewing/Editing User/Role PropertiesViewing the User/Role DDLFollow the steps below ",
"product_code":"dws",
"title":"Working with Users/Roles",
"uri":"DWS_DS_117.html",
"doc_type":"tg",
"p_code":"110",
"code":"112"
},
{
"desc":"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.",
"product_code":"dws",
"title":"SQL Terminal",
"uri":"DWS_DS_118.html",
"doc_type":"tg",
"p_code":"10",
"code":"113"
},
{
"desc":"You can open multiple SQL Terminal tabs in Data Studio to execute multiple SQL statements for query in the current SQL Terminal tab. Perform the following steps to open a",
"product_code":"dws",
"title":"Opening Multiple SQL Terminal Tabs",
"uri":"DWS_DS_119.html",
"doc_type":"tg",
"p_code":"113",
"code":"114"
},
{
"desc":"Data Studio allows viewing and managing frequently executed SQL queries. The history of executed SQL queries is saved only in SQL Terminal.Perform the following steps to ",
"product_code":"dws",
"title":"Managing the History of Executed SQL Queries",
"uri":"DWS_DS_120.html",
"doc_type":"tg",
"p_code":"113",
"code":"115"
},
{
"desc":"Follow the steps to open an SQL script:If the SQL Terminal has existing content, then there will be an option to overwrite the existing content or append content to it.Th",
"product_code":"dws",
"title":"Opening and Saving SQL Scripts",
"uri":"DWS_DS_121.html",
"doc_type":"tg",
"p_code":"113",
"code":"116"
},
{
"desc":"Data Studio allows you to view table properties and functions/procedures.Follow the steps to view table properties:The table properties are read-only.Follow the steps to ",
"product_code":"dws",
"title":"Viewing Object Properties in the SQL Terminal",
"uri":"DWS_DS_122.html",
"doc_type":"tg",
"p_code":"113",
"code":"117"
},
{
"desc":"Data Studio allows you to cancel the execution of an SQL query being executed in the SQL Terminal.Follow the steps to cancel execution of an SQL query:Alternatively, you",
"product_code":"dws",
"title":"Canceling the Execution of SQL Queries",
"uri":"DWS_DS_123.html",
"doc_type":"tg",
"p_code":"113",
"code":"118"
},
{
"desc":"Data Studio supports formatting and highlighting of SQL queries and PL/SQL statements.Follow the steps to format PL/SQL statements:Alternatively, use the key combination ",
"product_code":"dws",
"title":"Formatting of SQL Queries",
"uri":"DWS_DS_124.html",
"doc_type":"tg",
"p_code":"113",
"code":"119"
},
{
"desc":"Data Studio suggests a list of possible schema names, table names and column names, and views in theSQL Terminal.Follow the steps below to select a DB object:On selection",
"product_code":"dws",
"title":"Selecting a DB Object in the SQL Terminal",
"uri":"DWS_DS_125.html",
"doc_type":"tg",
"p_code":"113",
"code":"120"
},
{
"desc":"The execution plan shows how the table(s) referenced by the SQL statement will be scanned (plain sequential scan and index scan).The SQL statement execution cost is the e",
"product_code":"dws",
"title":"Viewing the Query Execution Plan and Cost",
"uri":"DWS_DS_126.html",
"doc_type":"tg",
"p_code":"113",
"code":"121"
},
{
"desc":"Visual Explain plan displays a graphical representation of the SQL query using information from the extended JSON format. This helps to refine query to enhance query and ",
"product_code":"dws",
"title":"Viewing the Query Execution Plan and Cost Graphically",
"uri":"DWS_DS_127.html",
"doc_type":"tg",
"p_code":"113",
"code":"122"
},
{
"desc":"The Auto Commit option is available in the Preferences pane. For details, see Transaction.If Auto Commit is enabled, the Commit and Rollback functions are disabled. Trans",
"product_code":"dws",
"title":"Using SQL Terminals",
"uri":"DWS_DS_128.html",
"doc_type":"tg",
"p_code":"113",
"code":"123"
},
{
"desc":"You can export the results of an SQL query into a CSV, Text or Binary file.This section contains the following topics:Exporting all dataExporting current page dataThe fol",
"product_code":"dws",
"title":"Exporting Query Results",
"uri":"DWS_DS_129.html",
"doc_type":"tg",
"p_code":"113",
"code":"124"
},
{
"desc":"Data Studio allows you to reuse an existing SQL Terminal connection or create a new SQL Terminal connection for execution plan and cost, visual explain plan, and operatio",
"product_code":"dws",
"title":"Managing SQL Terminal Connections",
"uri":"DWS_DS_130.html",
"doc_type":"tg",
"p_code":"113",
"code":"125"
},
{
"desc":"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.",
"product_code":"dws",
"title":"Batch Operation",
"uri":"DWS_DS_131.html",
"doc_type":"tg",
"p_code":"10",
"code":"126"
},
{
"desc":"You can view accessible database objects in the navigation tree in Object Browser. Schema are displayed under databases, and tables are displayed under schemas.Object Bro",
"product_code":"dws",
"title":"Overview",
"uri":"DWS_DS_132.html",
"doc_type":"tg",
"p_code":"126",
"code":"127"
},
{
"desc":"The batch drop operation allows you to drop multiple objects. This operation also applies to searched objects.Batch drop is allowed only within a database.An error is rep",
"product_code":"dws",
"title":"Batch Dropping Objects",
"uri":"DWS_DS_133.html",
"doc_type":"tg",
"p_code":"126",
"code":"128"
},
{
"desc":"The batch grant/revoke operation allows you select multiple objects to grant/revoke privileges. You can also perform batch grant/revoke operation on searched objects.This",
"product_code":"dws",
"title":"Granting/Revoking Privileges",
"uri":"DWS_DS_134.html",
"doc_type":"tg",
"p_code":"126",
"code":"129"
},
{
"desc":"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.",
"product_code":"dws",
"title":"Personalizing Data Studio",
"uri":"DWS_DS_135.html",
"doc_type":"tg",
"p_code":"10",
"code":"130"
},
{
"desc":"This section provides details on how to personalize Data Studio using preferences settings.",
"product_code":"dws",
"title":"Overview",
"uri":"DWS_DS_136.html",
"doc_type":"tg",
"p_code":"130",
"code":"131"
},
{
"desc":"This section describes how to customize shortcut keys.You can customize Data Studio shortcut keys.Perform the following steps to set or modify shortcut keys:The Preferenc",
"product_code":"dws",
"title":"General",
"uri":"DWS_DS_137.html",
"doc_type":"tg",
"p_code":"130",
"code":"132"
},
{
"desc":"This section describes how to customize syntax highlighting, SQL history information, templates, and formatters.Perform the following steps to customize SQL highlighting:",
"product_code":"dws",
"title":"Editor",
"uri":"DWS_DS_138.html",
"doc_type":"tg",
"p_code":"130",
"code":"133"
},
{
"desc":"Perform the following steps to configure Data Studio encoding and file encoding:The Preferences dialog box is displayed.The Session Setting pane is displayed.Data Studio ",
"product_code":"dws",
"title":"Environment",
"uri":"DWS_DS_139.html",
"doc_type":"tg",
"p_code":"130",
"code":"134"
},
{
"desc":"This section describes how to customize the settings in the Query Results pane, including the column width, number of records to be obtained, and copy of column headers o",
"product_code":"dws",
"title":"Result Management",
"uri":"DWS_DS_141.html",
"doc_type":"tg",
"p_code":"130",
"code":"135"
},
{
"desc":"This section describes how to customize the display of passwords and security disclaimers.You can configure whether to display the option of saving password permanently i",
"product_code":"dws",
"title":"Security",
"uri":"DWS_DS_142.html",
"doc_type":"tg",
"p_code":"130",
"code":"136"
},
{
"desc":"The loading and operation performance of Data Studio depends on the number of objects to be loaded in Object Browser, including tables, views, and columns.Memory consumpt",
"product_code":"dws",
"title":"Performance Specifications",
"uri":"DWS_DS_144.html",
"doc_type":"tg",
"p_code":"10",
"code":"137"
},
{
"desc":"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.",
"product_code":"dws",
"title":"Security Management",
"uri":"DWS_DS_146.html",
"doc_type":"tg",
"p_code":"10",
"code":"138"
},
{
"desc":"Ensure that the operating system and the required software's (refer to System Requirements for more details) are updated with the latest patches to prevent vulnerabilitie",
"product_code":"dws",
"title":"Overview",
"uri":"DWS_DS_147.html",
"doc_type":"tg",
"p_code":"138",
"code":"139"
},
{
"desc":"The following information is critical to the security management for Data Studio:When you log into a database, Data Studio displays a dialog box that describes the last s",
"product_code":"dws",
"title":"Login History",
"uri":"DWS_DS_148.html",
"doc_type":"tg",
"p_code":"138",
"code":"140"
},
{
"desc":"The following information is critical to manage security for Data Studio:Your password will expire within 7 days from the date of notification. If the password expires, c",
"product_code":"dws",
"title":"Password Expiry Notification",
"uri":"DWS_DS_149.html",
"doc_type":"tg",
"p_code":"138",
"code":"141"
},
{
"desc":"The following information is critical to manage security for Data Studio:While running Data Studio in a trusted environment, user must ensure to prevent malicious softwar",
"product_code":"dws",
"title":"Securing the Application In-Memory Data",
"uri":"DWS_DS_151.html",
"doc_type":"tg",
"p_code":"138",
"code":"142"
},
{
"desc":"The following information is critical to manage security for Data Studio:You can ensure encryption of auto saved data by enabling encryption option from Preferences page.",
"product_code":"dws",
"title":"Data Encryption for Saved Data",
"uri":"DWS_DS_152.html",
"doc_type":"tg",
"p_code":"138",
"code":"143"
},
{
"desc":"The following information is critical to manage security for Data Studio:SQL History scripts are not encrypted.The SQL History list does not display sensitive queries tha",
"product_code":"dws",
"title":"SQL History",
"uri":"DWS_DS_153.html",
"doc_type":"tg",
"p_code":"138",
"code":"144"
},
{
"desc":"The information about using SSL certificates is for reference only. For details about the certificates and the security guidelines for managing the certificates and relat",
"product_code":"dws",
"title":"SSL Certificates",
"uri":"DWS_DS_154.html",
"doc_type":"tg",
"p_code":"138",
"code":"145"
},
{
"desc":"The Data Studio cannot be opened for a long time.Solution: Check whether JRE is found. Verify the Java path configured in the environment. For details about the supported",
"product_code":"dws",
"title":"Troubleshooting",
"uri":"DWS_DS_145.html",
"doc_type":"tg",
"p_code":"10",
"code":"146"
},
{
"desc":"What do I need to check if my connection fails?Answer: Check the following items:Check whether Connection Properties are properly configured.Check whether the server vers",
"product_code":"dws",
"title":"FAQs",
"uri":"DWS_DS_155.html",
"doc_type":"tg",
"p_code":"10",
"code":"147"
},
{
"desc":"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.",
"product_code":"dws",
"title":"GDS: Parallel Data Loader",
"uri":"dws_gds_index.html",
"doc_type":"tg",
"p_code":"",
"code":"148"
},
{
"desc":"GaussDB(DWS) uses GDS to allocate the source data for parallel data import. Deploy GDS on the data server.If a large volume of data is stored on multiple data servers, in",
"product_code":"dws",
"title":"Installing, Configuring, and Starting GDS",
"uri":"dws_07_0759.html",
"doc_type":"tg",
"p_code":"148",
"code":"149"
},
{
"desc":"Stop GDS after data is imported successfully.If GDS is started using the gds command, perform the following operations to stop GDS:Query the GDS process ID:ps -ef|grep gd",
"product_code":"dws",
"title":"Stopping GDS",
"uri":"dws_07_0128.html",
"doc_type":"tg",
"p_code":"148",
"code":"150"
},
{
"desc":"The data servers reside on the same intranet as the cluster. Their IP addresses are 192.168.0.90 and 192.168.0.91. Source data files are in CSV format.Create the target t",
"product_code":"dws",
"title":"Example of Importing Data Using GDS",
"uri":"dws_07_0692.html",
"doc_type":"tg",
"p_code":"148",
"code":"151"
},
{
"desc":"gds is used to import and export data of GaussDB(DWS).The -d and -H parameters are mandatory and option is optional. gds provides the file data from DIRECTORY for GaussDB",
"product_code":"dws",
"title":"gds",
"uri":"gds_cmd_reference.html",
"doc_type":"tg",
"p_code":"148",
"code":"152"
},
{
"desc":"gds_ctl.py can be used to start and stop gds if gds.conf has been configured.Run the following commands on Linux OS: You need to ensure that the directory structure is as",
"product_code":"dws",
"title":"gds_ctl.py",
"uri":"dws_07_0129.html",
"doc_type":"tg",
"p_code":"148",
"code":"153"
},
{
"desc":"Handle errors that occurred during data import.Errors that occur when data is imported are divided into data format errors and non-data format errors.Data format errorWhe",
"product_code":"dws",
"title":"Handling Import Errors",
"uri":"dws_07_0056.html",
"doc_type":"tg",
"p_code":"148",
"code":"154"
},
{
"desc":"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.",
"product_code":"dws",
"title":"Server Tool",
"uri":"dws_07_0100.html",
"doc_type":"tg",
"p_code":"",
"code":"155"
},
{
"desc":"gs_dump is tool provided by GaussDB(DWS) to export database information. You can export a database or its objects, such as schemas, tables, and views. The database can be",
"product_code":"dws",
"title":"gs_dump",
"uri":"dws_07_0101.html",
"doc_type":"tg",
"p_code":"155",
"code":"156"
},
{
"desc":"gs_dumpall is a tool provided by GaussDB(DWS) to export all database information, including the data of the default postgres database, data of user-specified databases, a",
"product_code":"dws",
"title":"gs_dumpall",
"uri":"dws_07_0102.html",
"doc_type":"tg",
"p_code":"155",
"code":"157"
},
{
"desc":"gs_restore is a tool provided by GaussDB(DWS) to import data that was exported using gs_dump. It can also be used to import files that were exported using gs_dump.It has ",
"product_code":"dws",
"title":"gs_restore",
"uri":"dws_07_0103.html",
"doc_type":"tg",
"p_code":"155",
"code":"158"
},
{
"desc":"gds_check is used to check the GDS deployment environment, including the OS parameters, network environment, and disk usage. It also supports the recovery of system param",
"product_code":"dws",
"title":"gds_check",
"uri":"dws_07_0104.html",
"doc_type":"tg",
"p_code":"155",
"code":"159"
},
{
"desc":"gds_install is a script tool used to install GDS in batches, improving GDS deployment efficiency.Set environment variables before executing the script. For details, see \"",
"product_code":"dws",
"title":"gds_install",
"uri":"dws_07_0106.html",
"doc_type":"tg",
"p_code":"155",
"code":"160"
},
{
"desc":"gds_uninstall is a script tool used to uninstall GDS in batches.Set environment variables before executing the script. For details, see \"Importing Data > Using a Foreign ",
"product_code":"dws",
"title":"gds_uninstall",
"uri":"dws_07_0107.html",
"doc_type":"tg",
"p_code":"155",
"code":"161"
},
{
"desc":"gds_ctl is a script tool used for starting or stopping GDS service processes in batches. You can start or stop GDS service processes, which use the same port, on multiple",
"product_code":"dws",
"title":"gds_ctl",
"uri":"dws_07_0105.html",
"doc_type":"tg",
"p_code":"155",
"code":"162"
},
{
"desc":"During cluster installation, you need to execute commands and transfer files among hosts in the cluster. Therefore, mutual trust relationships must be established among t",
"product_code":"dws",
"title":"gs_sshexkey",
"uri":"dws_07_0108.html",
"doc_type":"tg",
"p_code":"155",
"code":"163"
},
{
"desc":"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.",
"product_code":"dws",
"title":"Change History",
"uri":"dws_07_0200.html",
"doc_type":"tg",
"p_code":"",
"code":"164"
}
]
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