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doc-exports/docs/dws/tool/ALL_META.TXT.json
Lu, Huayi 346ac31da9 DWS TG 8.1.3.200 VERSION 
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
Reviewed-by: Jiang, Beibei <beibei.jiang@t-systems.com>
Co-authored-by: Lu, Huayi <luhuayi@huawei.com>
Co-committed-by: Lu, Huayi <luhuayi@huawei.com>
2023-08-28 09:20:17 +00:00

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[
{
"uri":"dws_07_0001.html",
"product_code":"dws",
"code":"1",
"des":"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",
"doc_type":"tg",
"kw":"Overview,Tool Guide",
"title":"Overview",
"githuburl":""
},
{
"uri":"dws_07_0002.html",
"product_code":"dws",
"code":"2",
"des":"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",
"doc_type":"tg",
"kw":"Downloading Related Tools,Tool Guide",
"title":"Downloading Related Tools",
"githuburl":""
},
{
"uri":"dws_gsql_index.html",
"product_code":"dws",
"code":"3",
"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":"tg",
"kw":"gsql",
"title":"gsql",
"githuburl":""
},
{
"uri":"dws_gsql_002.html",
"product_code":"dws",
"code":"4",
"des":"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",
"doc_type":"tg",
"kw":"Overview,gsql,Tool Guide",
"title":"Overview",
"githuburl":""
},
{
"uri":"dws_gsql_003.html",
"product_code":"dws",
"code":"5",
"des":"For details about how to download and install gsql and connect it to the cluster database, see section \"Using the gsql CLI Client to Connect to a Cluster\" in the Data War",
"doc_type":"tg",
"kw":"Instruction,gsql,Tool Guide",
"title":"Instruction",
"githuburl":""
},
{
"uri":"dws_gsql_005.html",
"product_code":"dws",
"code":"6",
"des":"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",
"doc_type":"tg",
"kw":"Online Help,gsql,Tool Guide",
"title":"Online Help",
"githuburl":""
},
{
"uri":"dws_gsql_006.html",
"product_code":"dws",
"code":"7",
"des":"For details about gsql parameters, see Table 1, Table 2, Table 3, and Table 4.",
"doc_type":"tg",
"kw":"Command Reference,gsql,Tool Guide",
"title":"Command Reference",
"githuburl":""
},
{
"uri":"dws_gsql_007.html",
"product_code":"dws",
"code":"8",
"des":"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 ",
"doc_type":"tg",
"kw":"Meta-Command Reference,gsql,Tool Guide",
"title":"Meta-Command Reference",
"githuburl":""
},
{
"uri":"dws_gsql_008.html",
"product_code":"dws",
"code":"9",
"des":"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",
"doc_type":"tg",
"kw":"Troubleshooting,gsql,Tool Guide",
"title":"Troubleshooting",
"githuburl":""
},
{
"uri":"dws_ds_index.html",
"product_code":"dws",
"code":"10",
"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":"tg",
"kw":"Data Studio",
"title":"Data Studio",
"githuburl":""
},
{
"uri":"DWS_DS_09.html",
"product_code":"dws",
"code":"11",
"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":"tg",
"kw":"About Data Studio",
"title":"About Data Studio",
"githuburl":""
},
{
"uri":"dws_07_0012.html",
"product_code":"dws",
"code":"12",
"des":"Data Studio provides a graphical interface which supports essential features of the database. This simplifies database development and application building tasks.Data Stu",
"doc_type":"tg",
"kw":"Overview,About Data Studio,Tool Guide",
"title":"Overview",
"githuburl":""
},
{
"uri":"DWS_DS_12.html",
"product_code":"dws",
"code":"13",
"des":"This section describes the constraints and limitations for using Data Studio.The filter count and filtering status of the tree are not supported.If the SQL statement, DDL",
"doc_type":"tg",
"kw":"Constraints and Limitations,About Data Studio,Tool Guide",
"title":"Constraints and Limitations",
"githuburl":""
},
{
"uri":"DWS_DS_13.html",
"product_code":"dws",
"code":"14",
"des":"The release package structure of Data Studio is as follows:",
"doc_type":"tg",
"kw":"Structure of a Release Package,About Data Studio,Tool Guide",
"title":"Structure of a Release Package",
"githuburl":""
},
{
"uri":"DWS_DS_14.html",
"product_code":"dws",
"code":"15",
"des":"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",
"doc_type":"tg",
"kw":"System Requirements,About Data Studio,Tool Guide",
"title":"System Requirements",
"githuburl":""
},
{
"uri":"DWS_DS_16.html",
"product_code":"dws",
"code":"16",
"des":"This section describes the installation and configuration steps to use Data Studio. It also explains the steps to configure servers for debugging PL/SQL Functions.On the ",
"doc_type":"tg",
"kw":"Installing and Configuring Data Studio,Data Studio,Tool Guide",
"title":"Installing and Configuring Data Studio",
"githuburl":""
},
{
"uri":"DWS_DS_19.html",
"product_code":"dws",
"code":"17",
"des":"This section describes how to start Data Studio.The StartDataStudio.bat batch file checks the version of Operating System (OS), Java and Data Studio as a prerequisite to ",
"doc_type":"tg",
"kw":"Quick Start,Data Studio,Tool Guide",
"title":"Quick Start",
"githuburl":""
},
{
"uri":"DWS_DS_20.html",
"product_code":"dws",
"code":"18",
"des":"This section describes the Data Studio GUI.The Data Studio GUI contains the following:Main Menu provides basic operations.Toolbarcontains buttons for easy access to frequ",
"doc_type":"tg",
"kw":"Data Studio GUI,Data Studio,Tool Guide",
"title":"Data Studio GUI",
"githuburl":""
},
{
"uri":"DWS_DS_21.html",
"product_code":"dws",
"code":"19",
"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":"tg",
"kw":"Data Studio Menus",
"title":"Data Studio Menus",
"githuburl":""
},
{
"uri":"DWS_DS_22.html",
"product_code":"dws",
"code":"20",
"des":"The Filemenu contains database connection options. Click File from main menu or press Alt+F to open the File menu.Follow the steps below to stop Data Studio:Alternatively",
"doc_type":"tg",
"kw":"File,Data Studio Menus,Tool Guide",
"title":"File",
"githuburl":""
},
{
"uri":"DWS_DS_23.html",
"product_code":"dws",
"code":"21",
"des":"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",
"doc_type":"tg",
"kw":"Edit,Data Studio Menus,Tool Guide",
"title":"Edit",
"githuburl":""
},
{
"uri":"DWS_DS_24.html",
"product_code":"dws",
"code":"22",
"des":"The Runmenu contains options to execute a database object in the PL/SQL Viewer tab and to execute SQL statements in the SQL Terminal tab. Press Alt+R to open the Run menu",
"doc_type":"tg",
"kw":"Run,Data Studio Menus,Tool Guide",
"title":"Run",
"githuburl":""
},
{
"uri":"DWS_DS_25.html",
"product_code":"dws",
"code":"23",
"des":"The Debugmenu contains debug operations in the PL/SQL Viewer and SQL Terminal tab. Press Alt+D to open the Debug menu.",
"doc_type":"tg",
"kw":"Debug,Data Studio Menus,Tool Guide",
"title":"Debug",
"githuburl":""
},
{
"uri":"DWS_DS_26.html",
"product_code":"dws",
"code":"24",
"des":"The Settingsmenu contains the option to change the language. Press Alt+G to open the Settings menu.",
"doc_type":"tg",
"kw":"Settings,Data Studio Menus,Tool Guide",
"title":"Settings",
"githuburl":""
},
{
"uri":"DWS_DS_27.html",
"product_code":"dws",
"code":"25",
"des":"The Helpmenu 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 th",
"doc_type":"tg",
"kw":"Help,Data Studio Menus,Tool Guide",
"title":"Help",
"githuburl":""
},
{
"uri":"DWS_DS_28.html",
"product_code":"dws",
"code":"26",
"des":"The following image shows the toolbar:The toolbar contains the following operations:Adding a ConnectionRemoving a ConnectionConnecting to a DatabaseDisconnecting a Databa",
"doc_type":"tg",
"kw":"Data Studio Toolbar,Data Studio,Tool Guide",
"title":"Data Studio Toolbar",
"githuburl":""
},
{
"uri":"DWS_DS_29.html",
"product_code":"dws",
"code":"27",
"des":"This section describes the right-click menus of Data Studio.The following figure shows the Object Browser pane.Right-clicking the connection name allows you to select Ren",
"doc_type":"tg",
"kw":"Data Studio Right-Click Menus,Data Studio,Tool Guide",
"title":"Data Studio Right-Click Menus",
"githuburl":""
},
{
"uri":"DWS_DS_32.html",
"product_code":"dws",
"code":"28",
"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":"tg",
"kw":"Connection Profiles",
"title":"Connection Profiles",
"githuburl":""
},
{
"uri":"DWS_DS_33.html",
"product_code":"dws",
"code":"29",
"des":"When Data Studio is started, the New Database Connection dialog box will open by default. To perform any DB operations, Data Studio must be connected to at least one data",
"doc_type":"tg",
"kw":"Overview,Connection Profiles,Tool Guide",
"title":"Overview",
"githuburl":""
},
{
"uri":"DWS_DS_34.html",
"product_code":"dws",
"code":"30",
"des":"Performing the following steps to establish a new database connection.click on the toolbar, or press Ctrl+N to connect to the database. The New Database Connection dialo",
"doc_type":"tg",
"kw":"Adding a Connection,Connection Profiles,Tool Guide",
"title":"Adding a Connection",
"githuburl":""
},
{
"uri":"DWS_DS_35.html",
"product_code":"dws",
"code":"31",
"des":"Follow the steps below to rename a database connection:A Rename Connection dialog box is displayed prompting you to provide the new name for the connection.The status bar",
"doc_type":"tg",
"kw":"Renaming a Connection,Connection Profiles,Tool Guide",
"title":"Renaming a Connection",
"githuburl":""
},
{
"uri":"DWS_DS_36.html",
"product_code":"dws",
"code":"32",
"des":"Follow the steps below to edit the database connection properties:Editing an active connection will require closing the connection and then reopening the connection with ",
"doc_type":"tg",
"kw":"Editing a Connection,Connection Profiles,Tool Guide",
"title":"Editing a Connection",
"githuburl":""
},
{
"uri":"DWS_DS_37.html",
"product_code":"dws",
"code":"33",
"des":"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",
"doc_type":"tg",
"kw":"Removing a Connection,Connection Profiles,Tool Guide",
"title":"Removing a Connection",
"githuburl":""
},
{
"uri":"DWS_DS_38.html",
"product_code":"dws",
"code":"34",
"des":"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",
"doc_type":"tg",
"kw":"Viewing Connection Properties,Connection Profiles,Tool Guide",
"title":"Viewing Connection Properties",
"githuburl":""
},
{
"uri":"DWS_DS_39.html",
"product_code":"dws",
"code":"35",
"des":"Follow the steps below to refresh the database connection:The status bar displays the status of the completed operation.The time taken to refresh the database depends on ",
"doc_type":"tg",
"kw":"Refreshing a Database Connection,Connection Profiles,Tool Guide",
"title":"Refreshing a Database Connection",
"githuburl":""
},
{
"uri":"DWS_DS_40.html",
"product_code":"dws",
"code":"36",
"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":"tg",
"kw":"Databases",
"title":"Databases",
"githuburl":""
},
{
"uri":"DWS_DS_41.html",
"product_code":"dws",
"code":"37",
"des":"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 ",
"doc_type":"tg",
"kw":"Creating a Database,Databases,Tool Guide",
"title":"Creating a Database",
"githuburl":""
},
{
"uri":"DWS_DS_42.html",
"product_code":"dws",
"code":"38",
"des":"You can disconnect all the databases from a connection.Follow the steps below to disconnect all the databases from a connection:This operation can be performed only when ",
"doc_type":"tg",
"kw":"Disconnecting All Databases,Databases,Tool Guide",
"title":"Disconnecting All Databases",
"githuburl":""
},
{
"uri":"DWS_DS_43.html",
"product_code":"dws",
"code":"39",
"des":"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",
"doc_type":"tg",
"kw":"Connecting to a Database,Databases,Tool Guide",
"title":"Connecting to a Database",
"githuburl":""
},
{
"uri":"DWS_DS_44.html",
"product_code":"dws",
"code":"40",
"des":"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",
"doc_type":"tg",
"kw":"Disconnecting a Database,Databases,Tool Guide",
"title":"Disconnecting a Database",
"githuburl":""
},
{
"uri":"DWS_DS_45.html",
"product_code":"dws",
"code":"41",
"des":"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",
"doc_type":"tg",
"kw":"Renaming a Database,Databases,Tool Guide",
"title":"Renaming a Database",
"githuburl":""
},
{
"uri":"DWS_DS_46.html",
"product_code":"dws",
"code":"42",
"des":"Individual or batch drop can be performed on databases. Refer to Dropping a Batch of Objects section for batch drop.Follow the steps below to drop a database:This operati",
"doc_type":"tg",
"kw":"Dropping a Database,Databases,Tool Guide",
"title":"Dropping a Database",
"githuburl":""
},
{
"uri":"DWS_DS_47.html",
"product_code":"dws",
"code":"43",
"des":"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",
"doc_type":"tg",
"kw":"Viewing Properties of a Database,Databases,Tool Guide",
"title":"Viewing Properties of a Database",
"githuburl":""
},
{
"uri":"DWS_DS_48.html",
"product_code":"dws",
"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":"tg",
"kw":"Schemas",
"title":"Schemas",
"githuburl":""
},
{
"uri":"DWS_DS_49.html",
"product_code":"dws",
"code":"45",
"des":"This section describes working with database schemas. All system schemas are grouped under Catalogs and user schemas under Schemas.",
"doc_type":"tg",
"kw":"Overview,Schemas,Tool Guide",
"title":"Overview",
"githuburl":""
},
{
"uri":"DWS_DS_50.html",
"product_code":"dws",
"code":"46",
"des":"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",
"doc_type":"tg",
"kw":"Creating a Schema,Schemas,Tool Guide",
"title":"Creating a Schema",
"githuburl":""
},
{
"uri":"DWS_DS_51.html",
"product_code":"dws",
"code":"47",
"des":"Exporting the schema DDL exports the DDLs of functions/procedures, tables, sequences and views of the schema.Follow the steps to export the schema DDL:The Data Studio Sec",
"doc_type":"tg",
"kw":"Exporting Schema DDL,Schemas,Tool Guide",
"title":"Exporting Schema DDL",
"githuburl":""
},
{
"uri":"DWS_DS_52.html",
"product_code":"dws",
"code":"48",
"des":"The exported schema DDL and data include the following:DDLs of functions/procedures of the schema.DDLs and data of tables of the schema.DDLs of views of the schema.DDLs o",
"doc_type":"tg",
"kw":"Exporting Schema DDL and Data,Schemas,Tool Guide",
"title":"Exporting Schema DDL and Data",
"githuburl":""
},
{
"uri":"DWS_DS_53.html",
"product_code":"dws",
"code":"49",
"des":"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.",
"doc_type":"tg",
"kw":"Renaming a Schema,Schemas,Tool Guide",
"title":"Renaming a Schema",
"githuburl":""
},
{
"uri":"DWS_DS_201.html",
"product_code":"dws",
"code":"50",
"des":"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",
"doc_type":"tg",
"kw":"Supporting Sequence DDL,Schemas,Tool Guide",
"title":"Supporting Sequence DDL",
"githuburl":""
},
{
"uri":"DWS_DS_54.html",
"product_code":"dws",
"code":"51",
"des":"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",
"doc_type":"tg",
"kw":"Granting/Revoking a Privilege,Schemas,Tool Guide",
"title":"Granting/Revoking a Privilege",
"githuburl":""
},
{
"uri":"DWS_DS_55.html",
"product_code":"dws",
"code":"52",
"des":"Individual or batch dropping can be performed on schemas. Refer to Dropping a Batch of Objects section for batch dropping.Follow the steps below to drop a schema:A confir",
"doc_type":"tg",
"kw":"Dropping a Schema,Schemas,Tool Guide",
"title":"Dropping a Schema",
"githuburl":""
},
{
"uri":"DWS_DS_57.html",
"product_code":"dws",
"code":"53",
"des":"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",
"doc_type":"tg",
"kw":"Creating a Function/Procedure,Data Studio,Tool Guide",
"title":"Creating a Function/Procedure",
"githuburl":""
},
{
"uri":"DWS_DS_58.html",
"product_code":"dws",
"code":"54",
"des":"Follow the steps below to open and edit the function/procedure or SQL function:The function/procedure or SQL function based on your selection is displayed.Only one functi",
"doc_type":"tg",
"kw":"Editing a Function/Procedure,Data Studio,Tool Guide",
"title":"Editing a Function/Procedure",
"githuburl":""
},
{
"uri":"DWS_DS_59.html",
"product_code":"dws",
"code":"55",
"des":"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",
"doc_type":"tg",
"kw":"Granting/Revoking a Permission (Function/Procedure),Data Studio,Tool Guide",
"title":"Granting/Revoking a Permission (Function/Procedure)",
"githuburl":""
},
{
"uri":"DWS_DS_62.html",
"product_code":"dws",
"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":"tg",
"kw":"Debugging a PL/SQL Function",
"title":"Debugging a PL/SQL Function",
"githuburl":""
},
{
"uri":"DWS_DS_621.html",
"product_code":"dws",
"code":"57",
"des":"During debugging, if the connection is lost but the database remains connected to Object Browser, the Connection Errordialog box is displayed with the following options:Y",
"doc_type":"tg",
"kw":"Overview,Debugging a PL/SQL Function,Tool Guide",
"title":"Overview",
"githuburl":""
},
{
"uri":"DWS_DS_622.html",
"product_code":"dws",
"code":"58",
"des":"This section contains the following topics:Using the Breakpoints PaneSetting or Adding Breakpoints on a RowEnabling or Disabling a Breakpoint on a RowRemoving a Breakpoin",
"doc_type":"tg",
"kw":"Using Breakpoints,Debugging a PL/SQL Function,Tool Guide",
"title":"Using Breakpoints",
"githuburl":""
},
{
"uri":"DWS_DS_623.html",
"product_code":"dws",
"code":"59",
"des":"This section contains the following topics:Starting DebuggingStepping Through a PL/SQL FunctionContinuing the Debug ExecutionViewing CallstackSelect the function that you",
"doc_type":"tg",
"kw":"Controlling Execution,Debugging a PL/SQL Function,Tool Guide",
"title":"Controlling Execution",
"githuburl":""
},
{
"uri":"DWS_DS_624.html",
"product_code":"dws",
"code":"60",
"des":"When you use Data Studio, you can examine debugging information through several debugging tabs. This section describes how to check the debugging information:Operating on",
"doc_type":"tg",
"kw":"Checking Debugging Information,Debugging a PL/SQL Function,Tool Guide",
"title":"Checking Debugging Information",
"githuburl":""
},
{
"uri":"DWS_DS_60.html",
"product_code":"dws",
"code":"61",
"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":"tg",
"kw":"Working with Functions/Procedures",
"title":"Working with Functions/Procedures",
"githuburl":""
},
{
"uri":"DWS_DS_61.html",
"product_code":"dws",
"code":"62",
"des":"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",
"doc_type":"tg",
"kw":"Overview,Working with Functions/Procedures,Tool Guide",
"title":"Overview",
"githuburl":""
},
{
"uri":"DWS_DS_63.html",
"product_code":"dws",
"code":"63",
"des":"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",
"doc_type":"tg",
"kw":"Selecting a DB Object in the PL/SQL Viewer,Working with Functions/Procedures,Tool Guide",
"title":"Selecting a DB Object in the PL/SQL Viewer",
"githuburl":""
},
{
"uri":"DWS_DS_64.html",
"product_code":"dws",
"code":"64",
"des":"Follow the steps below to export the function/procedure DDL:The Data Studio Security Disclaimer dialog box is displayed.The Save As dialog box is displayed.To cancel the ",
"doc_type":"tg",
"kw":"Exporting a Function/Procedure DDL,Working with Functions/Procedures,Tool Guide",
"title":"Exporting a Function/Procedure DDL",
"githuburl":""
},
{
"uri":"DWS_DS_65.html",
"product_code":"dws",
"code":"65",
"des":"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",
"doc_type":"tg",
"kw":"Viewing Object Properties in the PL/SQL Viewer,Working with Functions/Procedures,Tool Guide",
"title":"Viewing Object Properties in the PL/SQL Viewer",
"githuburl":""
},
{
"uri":"DWS_DS_66.html",
"product_code":"dws",
"code":"66",
"des":"Individual or batch drop can be performed on functions/procedures. Refer to Dropping a Batch of Objects section for batch drop.Follow the steps below to drop a function/p",
"doc_type":"tg",
"kw":"Dropping a Function/Procedure,Working with Functions/Procedures,Tool Guide",
"title":"Dropping a Function/Procedure",
"githuburl":""
},
{
"uri":"DWS_DS_67.html",
"product_code":"dws",
"code":"67",
"des":"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",
"doc_type":"tg",
"kw":"Executing a Function/Procedure,Working with Functions/Procedures,Tool Guide",
"title":"Executing a Function/Procedure",
"githuburl":""
},
{
"uri":"DWS_DS_68.html",
"product_code":"dws",
"code":"68",
"des":"Follow the steps below to grant/revoke a privilege:The Grant/Revoke dialog box is displayed.",
"doc_type":"tg",
"kw":"Granting/Revoking a Privilege,Working with Functions/Procedures,Tool Guide",
"title":"Granting/Revoking a Privilege",
"githuburl":""
},
{
"uri":"DWS_DS_69.html",
"product_code":"dws",
"code":"69",
"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":"tg",
"kw":"GaussDB(DWS) Tables",
"title":"GaussDB(DWS) Tables",
"githuburl":""
},
{
"uri":"DWS_DS_70.html",
"product_code":"dws",
"code":"70",
"des":"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 ",
"doc_type":"tg",
"kw":"Table Management Overview,GaussDB(DWS) Tables,Tool Guide",
"title":"Table Management Overview",
"githuburl":""
},
{
"uri":"DWS_DS_71.html",
"product_code":"dws",
"code":"71",
"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":"tg",
"kw":"Creating Regular Table",
"title":"Creating Regular Table",
"githuburl":""
},
{
"uri":"DWS_DS_72.html",
"product_code":"dws",
"code":"72",
"des":"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",
"doc_type":"tg",
"kw":"Overview,Creating Regular Table,Tool Guide",
"title":"Overview",
"githuburl":""
},
{
"uri":"DWS_DS_73.html",
"product_code":"dws",
"code":"73",
"des":"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",
"doc_type":"tg",
"kw":"Working with Columns,Creating Regular Table,Tool Guide",
"title":"Working with Columns",
"githuburl":""
},
{
"uri":"DWS_DS_74.html",
"product_code":"dws",
"code":"74",
"des":"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",
"doc_type":"tg",
"kw":"Working with Constraints,Creating Regular Table,Tool Guide",
"title":"Working with Constraints",
"githuburl":""
},
{
"uri":"DWS_DS_75.html",
"product_code":"dws",
"code":"75",
"des":"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",
"doc_type":"tg",
"kw":"Managing Indexes,Creating Regular Table,Tool Guide",
"title":"Managing Indexes",
"githuburl":""
},
{
"uri":"DWS_DS_76.html",
"product_code":"dws",
"code":"76",
"des":"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",
"doc_type":"tg",
"kw":"Creating Foreign Table,GaussDB(DWS) Tables,Tool Guide",
"title":"Creating Foreign Table",
"githuburl":""
},
{
"uri":"DWS_DS_77.html",
"product_code":"dws",
"code":"77",
"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":"tg",
"kw":"Creating Partition Table",
"title":"Creating Partition Table",
"githuburl":""
},
{
"uri":"DWS_DS_78.html",
"product_code":"dws",
"code":"78",
"des":"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",
"doc_type":"tg",
"kw":"Overview,Creating Partition Table,Tool Guide",
"title":"Overview",
"githuburl":""
},
{
"uri":"DWS_DS_79.html",
"product_code":"dws",
"code":"79",
"des":"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",
"doc_type":"tg",
"kw":"Working with Partitions,Creating Partition Table,Tool Guide",
"title":"Working with Partitions",
"githuburl":""
},
{
"uri":"DWS_DS_80.html",
"product_code":"dws",
"code":"80",
"des":"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",
"doc_type":"tg",
"kw":"Grant/Revoke Privilege - Regular/Partition Table,GaussDB(DWS) Tables,Tool Guide",
"title":"Grant/Revoke Privilege - Regular/Partition Table",
"githuburl":""
},
{
"uri":"DWS_DS_81.html",
"product_code":"dws",
"code":"81",
"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":"tg",
"kw":"Managing Table",
"title":"Managing Table",
"githuburl":""
},
{
"uri":"DWS_DS_82.html",
"product_code":"dws",
"code":"82",
"des":"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",
"doc_type":"tg",
"kw":"Overview,Managing Table,Tool Guide",
"title":"Overview",
"githuburl":""
},
{
"uri":"DWS_DS_83.html",
"product_code":"dws",
"code":"83",
"des":"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",
"doc_type":"tg",
"kw":"Renaming a Table,Managing Table,Tool Guide",
"title":"Renaming a Table",
"githuburl":""
},
{
"uri":"DWS_DS_84.html",
"product_code":"dws",
"code":"84",
"des":"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.",
"doc_type":"tg",
"kw":"Truncating a Table,Managing Table,Tool Guide",
"title":"Truncating a Table",
"githuburl":""
},
{
"uri":"DWS_DS_85.html",
"product_code":"dws",
"code":"85",
"des":"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",
"doc_type":"tg",
"kw":"Reindexing a Table,Managing Table,Tool Guide",
"title":"Reindexing a Table",
"githuburl":""
},
{
"uri":"DWS_DS_86.html",
"product_code":"dws",
"code":"86",
"des":"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 ",
"doc_type":"tg",
"kw":"Analyzing a Table,Managing Table,Tool Guide",
"title":"Analyzing a Table",
"githuburl":""
},
{
"uri":"DWS_DS_87.html",
"product_code":"dws",
"code":"87",
"des":"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 ",
"doc_type":"tg",
"kw":"Vacuuming a Table,Managing Table,Tool Guide",
"title":"Vacuuming a Table",
"githuburl":""
},
{
"uri":"DWS_DS_88.html",
"product_code":"dws",
"code":"88",
"des":"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 ",
"doc_type":"tg",
"kw":"Setting the Table Description,Managing Table,Tool Guide",
"title":"Setting the Table Description",
"githuburl":""
},
{
"uri":"DWS_DS_90.html",
"product_code":"dws",
"code":"89",
"des":"Follow the steps below to set a schema:The Set Schema dialog box is displayed, prompting you to select the new schema for the selected table.The status bar displays the s",
"doc_type":"tg",
"kw":"Setting the Schema,Managing Table,Tool Guide",
"title":"Setting the Schema",
"githuburl":""
},
{
"uri":"DWS_DS_91.html",
"product_code":"dws",
"code":"90",
"des":"Individual or batch dropping can be performed on tables. Refer to Dropping a Batch of Objects section for batch dropping.This operation removes the complete table structu",
"doc_type":"tg",
"kw":"Dropping a Table,Managing Table,Tool Guide",
"title":"Dropping a Table",
"githuburl":""
},
{
"uri":"DWS_DS_92.html",
"product_code":"dws",
"code":"91",
"des":"Perform the following operations to view the table properties:Data Studio displays the properties (General, Columns, Constraints, and Index) of the selected table in diff",
"doc_type":"tg",
"kw":"Viewing Table Properties,Managing Table,Tool Guide",
"title":"Viewing Table Properties",
"githuburl":""
},
{
"uri":"DWS_DS_93.html",
"product_code":"dws",
"code":"92",
"des":"Follow the steps below to grant/revoke a privilege:The Grant/Revoke dialog is displayed.",
"doc_type":"tg",
"kw":"Grant/Revoke Privilege,Managing Table,Tool Guide",
"title":"Grant/Revoke Privilege",
"githuburl":""
},
{
"uri":"DWS_DS_94.html",
"product_code":"dws",
"code":"93",
"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":"tg",
"kw":"Managing Table Data",
"title":"Managing Table Data",
"githuburl":""
},
{
"uri":"DWS_DS_95.html",
"product_code":"dws",
"code":"94",
"des":"This section describes how to manage table data.",
"doc_type":"tg",
"kw":"Overview,Managing Table Data,Tool Guide",
"title":"Overview",
"githuburl":""
},
{
"uri":"DWS_DS_96.html",
"product_code":"dws",
"code":"95",
"des":"Follow the steps below 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 operat",
"doc_type":"tg",
"kw":"Exporting Table DDL,Managing Table Data,Tool Guide",
"title":"Exporting Table DDL",
"githuburl":""
},
{
"uri":"DWS_DS_97.html",
"product_code":"dws",
"code":"96",
"des":"The exported table DDL and data include the following:DDL of the table.Columns and rows of the table.Follow the steps below to export the table DDL:The Data Studio Securi",
"doc_type":"tg",
"kw":"Exporting Table DDL and Data,Managing Table Data,Tool Guide",
"title":"Exporting Table DDL and Data",
"githuburl":""
},
{
"uri":"DWS_DS_98.html",
"product_code":"dws",
"code":"97",
"des":"Perform the following steps to export table data:The Export Table Datadialog box is displayed with the following options:Format: Table data can be exported in Excel (xlsx",
"doc_type":"tg",
"kw":"Exporting Table Data,Managing Table Data,Tool Guide",
"title":"Exporting Table Data",
"githuburl":""
},
{
"uri":"DWS_DS_99.html",
"product_code":"dws",
"code":"98",
"des":"To display a DDL query for a table, perform the following steps:Data Studio displays the DDL of the selected table.A new terminal window is opened each time you select to",
"doc_type":"tg",
"kw":"Show DDL,Managing Table Data,Tool Guide",
"title":"Show DDL",
"githuburl":""
},
{
"uri":"DWS_DS_100.html",
"product_code":"dws",
"code":"99",
"des":"Prerequisites:If the definition of the source file does not match that of the destination table, modify the properties of the destination table in the Import Table Data d",
"doc_type":"tg",
"kw":"Importing Table Data,Managing Table Data,Tool Guide",
"title":"Importing Table Data",
"githuburl":""
},
{
"uri":"DWS_DS_101.html",
"product_code":"dws",
"code":"100",
"des":"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",
"doc_type":"tg",
"kw":"Viewing Table Data,Managing Table Data,Tool Guide",
"title":"Viewing Table Data",
"githuburl":""
},
{
"uri":"DWS_DS_102.html",
"product_code":"dws",
"code":"101",
"des":"Follow the steps below to edit table data:The Edit Table data tab is displayed.Refer to Viewing Table Data for description on copy and search toolbar options.Data Studio ",
"doc_type":"tg",
"kw":"Editing Table Data,Managing Table Data,Tool Guide",
"title":"Editing Table Data",
"githuburl":""
},
{
"uri":"DWS_DS_103.html",
"product_code":"dws",
"code":"102",
"des":"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",
"doc_type":"tg",
"kw":"Editing Temporary Tables,GaussDB(DWS) Tables,Tool Guide",
"title":"Editing Temporary Tables",
"githuburl":""
},
{
"uri":"DWS_DS_104.html",
"product_code":"dws",
"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":"tg",
"kw":"Sequences",
"title":"Sequences",
"githuburl":""
},
{
"uri":"DWS_DS_105.html",
"product_code":"dws",
"code":"104",
"des":"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",
"doc_type":"tg",
"kw":"Creating Sequence,Sequences,Tool Guide",
"title":"Creating Sequence",
"githuburl":""
},
{
"uri":"DWS_DS_106.html",
"product_code":"dws",
"code":"105",
"des":"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",
"doc_type":"tg",
"kw":"Grant/Revoke Privilege,Sequences,Tool Guide",
"title":"Grant/Revoke Privilege",
"githuburl":""
},
{
"uri":"DWS_DS_107.html",
"product_code":"dws",
"code":"106",
"des":"You can perform the following operations on an existing sequence:Granting/Revoking a PrivilegeDropping a SequenceDropping a Sequence CascadeIndividual or batch dropping c",
"doc_type":"tg",
"kw":"Working with Sequences,Sequences,Tool Guide",
"title":"Working with Sequences",
"githuburl":""
},
{
"uri":"DWS_DS_108.html",
"product_code":"dws",
"code":"107",
"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":"tg",
"kw":"Views",
"title":"Views",
"githuburl":""
},
{
"uri":"DWS_DS_109.html",
"product_code":"dws",
"code":"108",
"des":"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 ",
"doc_type":"tg",
"kw":"Creating a View,Views,Tool Guide",
"title":"Creating a View",
"githuburl":""
},
{
"uri":"DWS_DS_110.html",
"product_code":"dws",
"code":"109",
"des":"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",
"doc_type":"tg",
"kw":"Granting/Revoking a Privilege,Views,Tool Guide",
"title":"Granting/Revoking a Privilege",
"githuburl":""
},
{
"uri":"DWS_DS_111.html",
"product_code":"dws",
"code":"110",
"des":"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",
"doc_type":"tg",
"kw":"Working with Views,Views,Tool Guide",
"title":"Working with Views",
"githuburl":""
},
{
"uri":"DWS_DS_115.html",
"product_code":"dws",
"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":"tg",
"kw":"Users/Roles",
"title":"Users/Roles",
"githuburl":""
},
{
"uri":"DWS_DS_116.html",
"product_code":"dws",
"code":"112",
"des":"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",
"doc_type":"tg",
"kw":"Creating a User/Role,Users/Roles,Tool Guide",
"title":"Creating a User/Role",
"githuburl":""
},
{
"uri":"DWS_DS_117.html",
"product_code":"dws",
"code":"113",
"des":"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 ",
"doc_type":"tg",
"kw":"Working with Users/Roles,Users/Roles,Tool Guide",
"title":"Working with Users/Roles",
"githuburl":""
},
{
"uri":"DWS_DS_118.html",
"product_code":"dws",
"code":"114",
"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":"tg",
"kw":"SQL Terminal",
"title":"SQL Terminal",
"githuburl":""
},
{
"uri":"DWS_DS_119.html",
"product_code":"dws",
"code":"115",
"des":"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",
"doc_type":"tg",
"kw":"Opening Multiple SQL Terminal Tabs,SQL Terminal,Tool Guide",
"title":"Opening Multiple SQL Terminal Tabs",
"githuburl":""
},
{
"uri":"DWS_DS_120.html",
"product_code":"dws",
"code":"116",
"des":"Data Studio allows viewing and managing frequently used SQL queries. The history of executed SQL queries is maintained only for the SQL Terminal.Follow the steps to view ",
"doc_type":"tg",
"kw":"Managing the SQL Query Execution History,SQL Terminal,Tool Guide",
"title":"Managing the SQL Query Execution History",
"githuburl":""
},
{
"uri":"DWS_DS_121.html",
"product_code":"dws",
"code":"117",
"des":"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",
"doc_type":"tg",
"kw":"Opening and Saving SQL Scripts,SQL Terminal,Tool Guide",
"title":"Opening and Saving SQL Scripts",
"githuburl":""
},
{
"uri":"DWS_DS_122.html",
"product_code":"dws",
"code":"118",
"des":"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 ",
"doc_type":"tg",
"kw":"Viewing Object Properties in the SQL Terminal,SQL Terminal,Tool Guide",
"title":"Viewing Object Properties in the SQL Terminal",
"githuburl":""
},
{
"uri":"DWS_DS_123.html",
"product_code":"dws",
"code":"119",
"des":"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",
"doc_type":"tg",
"kw":"Canceling the Execution of SQL Queries,SQL Terminal,Tool Guide",
"title":"Canceling the Execution of SQL Queries",
"githuburl":""
},
{
"uri":"DWS_DS_124.html",
"product_code":"dws",
"code":"120",
"des":"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 ",
"doc_type":"tg",
"kw":"Formatting of SQL Queries,SQL Terminal,Tool Guide",
"title":"Formatting of SQL Queries",
"githuburl":""
},
{
"uri":"DWS_DS_125.html",
"product_code":"dws",
"code":"121",
"des":"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",
"doc_type":"tg",
"kw":"Selecting a DB Object in the SQL Terminal,SQL Terminal,Tool Guide",
"title":"Selecting a DB Object in the SQL Terminal",
"githuburl":""
},
{
"uri":"DWS_DS_126.html",
"product_code":"dws",
"code":"122",
"des":"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",
"doc_type":"tg",
"kw":"Viewing the Query Execution Plan and Cost,SQL Terminal,Tool Guide",
"title":"Viewing the Query Execution Plan and Cost",
"githuburl":""
},
{
"uri":"DWS_DS_127.html",
"product_code":"dws",
"code":"123",
"des":"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 ",
"doc_type":"tg",
"kw":"Viewing the Query Execution Plan and Cost Graphically,SQL Terminal,Tool Guide",
"title":"Viewing the Query Execution Plan and Cost Graphically",
"githuburl":""
},
{
"uri":"DWS_DS_128.html",
"product_code":"dws",
"code":"124",
"des":"In SQL Terminal, you canAutomatically Commit a TransactionExecute SQL QueriesMulti-Column SortBackuping Unsaved Queries/Functions/ProceduresError LocatorSearch in PL/SQL ",
"doc_type":"tg",
"kw":"Working with SQL Terminals,SQL Terminal,Tool Guide",
"title":"Working with SQL Terminals",
"githuburl":""
},
{
"uri":"DWS_DS_129.html",
"product_code":"dws",
"code":"125",
"des":"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 Data On the Current Page",
"doc_type":"tg",
"kw":"Exporting Query Results,SQL Terminal,Tool Guide",
"title":"Exporting Query Results",
"githuburl":""
},
{
"uri":"DWS_DS_130.html",
"product_code":"dws",
"code":"126",
"des":"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",
"doc_type":"tg",
"kw":"Managing SQL Terminal Connections,SQL Terminal,Tool Guide",
"title":"Managing SQL Terminal Connections",
"githuburl":""
},
{
"uri":"DWS_DS_131.html",
"product_code":"dws",
"code":"127",
"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":"tg",
"kw":"Batch Operation",
"title":"Batch Operation",
"githuburl":""
},
{
"uri":"DWS_DS_132.html",
"product_code":"dws",
"code":"128",
"des":"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",
"doc_type":"tg",
"kw":"Overview,Batch Operation,Tool Guide",
"title":"Overview",
"githuburl":""
},
{
"uri":"DWS_DS_133.html",
"product_code":"dws",
"code":"129",
"des":"The batch drop operation allows you select multiple objects to drop. You can also perform batch drop operation on searched objects.Batch drop is allowed only within a dat",
"doc_type":"tg",
"kw":"Dropping a Batch of Objects,Batch Operation,Tool Guide",
"title":"Dropping a Batch of Objects",
"githuburl":""
},
{
"uri":"DWS_DS_134.html",
"product_code":"dws",
"code":"130",
"des":"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",
"doc_type":"tg",
"kw":"Granting/Revoking Privileges,Batch Operation,Tool Guide",
"title":"Granting/Revoking Privileges",
"githuburl":""
},
{
"uri":"DWS_DS_135.html",
"product_code":"dws",
"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.",
"doc_type":"tg",
"kw":"Personalizing Data Studio",
"title":"Personalizing Data Studio",
"githuburl":""
},
{
"uri":"DWS_DS_137.html",
"product_code":"dws",
"code":"132",
"des":"This section provides details on how to customize shortcut keys.You can customize the Data Studio shortcut keys as required.Follow the steps below to set or modify the sh",
"doc_type":"tg",
"kw":"General,Personalizing Data Studio,Tool Guide",
"title":"General",
"githuburl":""
},
{
"uri":"DWS_DS_138.html",
"product_code":"dws",
"code":"133",
"des":"This section provides details on how to personalize syntax coloring, SQL history information, templates, and formatter.Follow the steps to customize the SQL highlight col",
"doc_type":"tg",
"kw":"Editor,Personalizing Data Studio,Tool Guide",
"title":"Editor",
"githuburl":""
},
{
"uri":"DWS_DS_139.html",
"product_code":"dws",
"code":"134",
"des":"Follow the steps to set Data Studio and file encoding:The Preferences dialog box is displayed.The Session Setting pane is displayed.Data Studio supports only UTF-8 and GB",
"doc_type":"tg",
"kw":"Environment,Personalizing Data Studio,Tool Guide",
"title":"Environment",
"githuburl":""
},
{
"uri":"DWS_DS_141.html",
"product_code":"dws",
"code":"135",
"des":"This section provides details on how to personalize the column width, number of records to be fetched in the query results, and result copy of column header or row number",
"doc_type":"tg",
"kw":"Result Management,Personalizing Data Studio,Tool Guide",
"title":"Result Management",
"githuburl":""
},
{
"uri":"DWS_DS_142.html",
"product_code":"dws",
"code":"136",
"des":"This section provides details on how to personalize password and security disclaimer display.You can enable/disable to display the permanent option to save password in th",
"doc_type":"tg",
"kw":"Security,Personalizing Data Studio,Tool Guide",
"title":"Security",
"githuburl":""
},
{
"uri":"DWS_DS_144.html",
"product_code":"dws",
"code":"137",
"des":"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",
"doc_type":"tg",
"kw":"Performance Specifications,Data Studio,Tool Guide",
"title":"Performance Specifications",
"githuburl":""
},
{
"uri":"DWS_DS_146.html",
"product_code":"dws",
"code":"138",
"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":"tg",
"kw":"Security Management",
"title":"Security Management",
"githuburl":""
},
{
"uri":"DWS_DS_147.html",
"product_code":"dws",
"code":"139",
"des":"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",
"doc_type":"tg",
"kw":"Overview,Security Management,Tool Guide",
"title":"Overview",
"githuburl":""
},
{
"uri":"DWS_DS_148.html",
"product_code":"dws",
"code":"140",
"des":"The following information is critical to the security management for Data Studio:When you log into a database, Data Studio displays a pop-up with details of the last succ",
"doc_type":"tg",
"kw":"Login History,Security Management,Tool Guide",
"title":"Login History",
"githuburl":""
},
{
"uri":"DWS_DS_149.html",
"product_code":"dws",
"code":"141",
"des":"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",
"doc_type":"tg",
"kw":"Password Expiry Notification,Security Management,Tool Guide",
"title":"Password Expiry Notification",
"githuburl":""
},
{
"uri":"DWS_DS_151.html",
"product_code":"dws",
"code":"142",
"des":"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",
"doc_type":"tg",
"kw":"Securing the Application In-Memory Data,Security Management,Tool Guide",
"title":"Securing the Application In-Memory Data",
"githuburl":""
},
{
"uri":"DWS_DS_152.html",
"product_code":"dws",
"code":"143",
"des":"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.",
"doc_type":"tg",
"kw":"Data Encryption for Saved Data,Security Management,Tool Guide",
"title":"Data Encryption for Saved Data",
"githuburl":""
},
{
"uri":"DWS_DS_153.html",
"product_code":"dws",
"code":"144",
"des":"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",
"doc_type":"tg",
"kw":"SQL History,Security Management,Tool Guide",
"title":"SQL History",
"githuburl":""
},
{
"uri":"DWS_DS_154.html",
"product_code":"dws",
"code":"145",
"des":"The information on using SSL certificates is for reference only. For details on the certificates and for security guidelines for managing the certificates and related fil",
"doc_type":"tg",
"kw":"SSL Certificates,Security Management,Tool Guide",
"title":"SSL Certificates",
"githuburl":""
},
{
"uri":"DWS_DS_145.html",
"product_code":"dws",
"code":"146",
"des":"Data Studio does not open.Solution: Check whether JRE is missing. Verify the Java path in the environment. For details about the supported Java JDK versions, see System R",
"doc_type":"tg",
"kw":"Troubleshooting,Data Studio,Tool Guide",
"title":"Troubleshooting",
"githuburl":""
},
{
"uri":"DWS_DS_155.html",
"product_code":"dws",
"code":"147",
"des":"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",
"doc_type":"tg",
"kw":"FAQs,Data Studio,Tool Guide",
"title":"FAQs",
"githuburl":""
},
{
"uri":"dws_gds_index.html",
"product_code":"dws",
"code":"148",
"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":"tg",
"kw":"GDS",
"title":"GDS",
"githuburl":""
},
{
"uri":"dws_07_0759.html",
"product_code":"dws",
"code":"149",
"des":"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",
"doc_type":"tg",
"kw":"Installing, Configuring, and Starting GDS,GDS,Tool Guide",
"title":"Installing, Configuring, and Starting GDS",
"githuburl":""
},
{
"uri":"dws_07_0128.html",
"product_code":"dws",
"code":"150",
"des":"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",
"doc_type":"tg",
"kw":"Stopping GDS,GDS,Tool Guide",
"title":"Stopping GDS",
"githuburl":""
},
{
"uri":"dws_07_0692.html",
"product_code":"dws",
"code":"151",
"des":"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",
"doc_type":"tg",
"kw":"Example of Importing Data Using GDS,GDS,Tool Guide",
"title":"Example of Importing Data Using GDS",
"githuburl":""
},
{
"uri":"gds_cmd_reference.html",
"product_code":"dws",
"code":"152",
"des":"gds is used to import and export data of GaussDB(DWS). For details, see \"Importing Data\" and \"Exporting Data\" in the Developer Guide.The -d and -H parameters are mandator",
"doc_type":"tg",
"kw":"gds,GDS,Tool Guide",
"title":"gds",
"githuburl":""
},
{
"uri":"dws_07_0129.html",
"product_code":"dws",
"code":"153",
"des":"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",
"doc_type":"tg",
"kw":"gds_ctl.py,GDS,Tool Guide",
"title":"gds_ctl.py",
"githuburl":""
},
{
"uri":"dws_07_0056.html",
"product_code":"dws",
"code":"154",
"des":"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",
"doc_type":"tg",
"kw":"Handling Import Errors,GDS,Tool Guide",
"title":"Handling Import Errors",
"githuburl":""
},
{
"uri":"dws_mt_index.html",
"product_code":"dws",
"code":"155",
"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":"tg",
"kw":"DSC",
"title":"DSC",
"githuburl":""
},
{
"uri":"mt_tool_index.html",
"product_code":"dws",
"code":"156",
"des":"After switching to GaussDB(DWS) databases, you may need to migrate user data and application SQL scripts to new databases. In particular,the migration of application SQL ",
"doc_type":"tg",
"kw":"Overview,DSC,Tool Guide",
"title":"Overview",
"githuburl":""
},
{
"uri":"dws_mt_0015.html",
"product_code":"dws",
"code":"157",
"des":"This section provides the system context of DSC. DSC is a CLI tool that helps data migration engineers migrate scripts of source databases, such as Teradata, Oracle, Nete",
"doc_type":"tg",
"kw":"Supported Keywords and Features,DSC,Tool Guide",
"title":"Supported Keywords and Features",
"githuburl":""
},
{
"uri":"dws_mt_0012.html",
"product_code":"dws",
"code":"158",
"des":"This section describes the constraints and limitations of DSC.DSC is used only for syntax migration and not for data migration.If the SELECT clause of a subquery contains",
"doc_type":"tg",
"kw":"Constraints and Limitations,DSC,Tool Guide",
"title":"Constraints and Limitations",
"githuburl":""
},
{
"uri":"dws_mt_0014.html",
"product_code":"dws",
"code":"159",
"des":"Table 1 lists the source databases supported by DSC.OS requirementsTable 2 lists the operating systems compatible with DSC.Other software requirementsTable 3 lists the re",
"doc_type":"tg",
"kw":"System Requirements,DSC,Tool Guide",
"title":"System Requirements",
"githuburl":""
},
{
"uri":"dws_mt_0021.html",
"product_code":"dws",
"code":"160",
"des":"Before using DSC, install it on a Linux or Windows server. DSC supports 64-bit Linux OSs. For details about other OSs supported by DSC, see Compatible OSs.In Linux, do no",
"doc_type":"tg",
"kw":"Installing DSC,DSC,Tool Guide",
"title":"Installing DSC",
"githuburl":""
},
{
"uri":"dws_mt_0023.html",
"product_code":"dws",
"code":"161",
"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":"tg",
"kw":"Configuring DSC",
"title":"Configuring DSC",
"githuburl":""
},
{
"uri":"dws_mt_0024.html",
"product_code":"dws",
"code":"162",
"des":"DSC provides configuration files and parameters to configure migration logic and rules. Before migrating scripts, you need to configure the following as required:Tool con",
"doc_type":"tg",
"kw":"Overview,Configuring DSC,Tool Guide",
"title":"Overview",
"githuburl":""
},
{
"uri":"dws_mt_0025.html",
"product_code":"dws",
"code":"163",
"des":"Configure the following items:Setting application.properties: Configure the migration behavior of DSC, for example, whether to overwrite the files in the target folder an",
"doc_type":"tg",
"kw":"DSC Configuration,Configuring DSC,Tool Guide",
"title":"DSC Configuration",
"githuburl":""
},
{
"uri":"dws_mt_0026.html",
"product_code":"dws",
"code":"164",
"des":"Teradata parameters are used to customize rules for Teradata script migration.Open the features-teradata.properties file in the config folder and set the parameters in Ta",
"doc_type":"tg",
"kw":"Teradata SQL Configuration,Configuring DSC,Tool Guide",
"title":"Teradata SQL Configuration",
"githuburl":""
},
{
"uri":"dws_mt_0027.html",
"product_code":"dws",
"code":"165",
"des":"Oracle parameters are used to customize rules for Oracle script migration.Open the features-oracle.properties file in the config folder and set parameters in Table 1 as n",
"doc_type":"tg",
"kw":"Oracle SQL Configuration,Configuring DSC,Tool Guide",
"title":"Oracle SQL Configuration",
"githuburl":""
},
{
"uri":"dws_mt_0029.html",
"product_code":"dws",
"code":"166",
"des":"Teradata Perl parameters are used to customize rules for Teradata Perl script migration.Open the perl-migration.properties file in the config folder and set parameters in",
"doc_type":"tg",
"kw":"Teradata Perl Configuration,Configuring DSC,Tool Guide",
"title":"Teradata Perl Configuration",
"githuburl":""
},
{
"uri":"dws_07_0666.html",
"product_code":"dws",
"code":"167",
"des":"MySQL parameters are used to customize rules for MySQL script migration.Open the features-mysql.properties file in the config folder and configure parameters in the featu",
"doc_type":"tg",
"kw":"MySQL SQL Configuration,Configuring DSC,Tool Guide",
"title":"MySQL SQL Configuration",
"githuburl":""
},
{
"uri":"dws_mt_0030.html",
"product_code":"dws",
"code":"168",
"des":"Netezza parameters are used to customize rules for Netezza script migration.Open the features-netezza.properties file in the config folder and set parameters in Table 1 a",
"doc_type":"tg",
"kw":"Netezza Configuration,Configuring DSC,Tool Guide",
"title":"Netezza Configuration",
"githuburl":""
},
{
"uri":"dws_mt_0031.html",
"product_code":"dws",
"code":"169",
"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":"tg",
"kw":"Using DSC",
"title":"Using DSC",
"githuburl":""
},
{
"uri":"dws_mt_0032.html",
"product_code":"dws",
"code":"170",
"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":"tg",
"kw":"Migration Process",
"title":"Migration Process",
"githuburl":""
},
{
"uri":"dws_mt_0207.html",
"product_code":"dws",
"code":"171",
"des":"The following use cases for migration are supported by DSC:Migrate Teradata SQLMigrate Oracle SQLMigrate Teradata Perl filesMigrate NetezzaMigrate MySQL SQLMigrate DB2Fig",
"doc_type":"tg",
"kw":"Overview,Migration Process,Tool Guide",
"title":"Overview",
"githuburl":""
},
{
"uri":"dws_mt_0033.html",
"product_code":"dws",
"code":"172",
"des":"Custom scripts are executed to support input keywords that do not exist in certain versions of the target database. These scripts must be executed in each target database",
"doc_type":"tg",
"kw":"Prerequisites,Migration Process,Tool Guide",
"title":"Prerequisites",
"githuburl":""
},
{
"uri":"dws_mt_0034.html",
"product_code":"dws",
"code":"173",
"des":"Before the migration, create an input folder and an output folder, and copy all the SQL scripts to be migrated to the input folder. The following procedure describes how ",
"doc_type":"tg",
"kw":"Preparations,Migration Process,Tool Guide",
"title":"Preparations",
"githuburl":""
},
{
"uri":"dws_mt_0035.html",
"product_code":"dws",
"code":"174",
"des":"Before starting DSC, specify the output folder path. Separate the input folder path, output folder path, and log path with spaces. The input folder path cannot contain sp",
"doc_type":"tg",
"kw":"Migrating Data Using DSC,Migration Process,Tool Guide",
"title":"Migrating Data Using DSC",
"githuburl":""
},
{
"uri":"dws_mt_0036.html",
"product_code":"dws",
"code":"175",
"des":"After the migration is complete, you can use a comparison tool (for example, BeyondCompare®) to compare the output file with its input file. Input SQL files can also be f",
"doc_type":"tg",
"kw":"Viewing Output Files and Logs,Migration Process,Tool Guide",
"title":"Viewing Output Files and Logs",
"githuburl":""
},
{
"uri":"dws_mt_0037.html",
"product_code":"dws",
"code":"176",
"des":"Migration related issues can be classified into:Tool execution issues: No output or incorrect output is displayed because DSC partially or fully failed to be executed. Fo",
"doc_type":"tg",
"kw":"Troubleshooting,Migration Process,Tool Guide",
"title":"Troubleshooting",
"githuburl":""
},
{
"uri":"dws_mt_0038.html",
"product_code":"dws",
"code":"177",
"des":"DSC supports the migration from Teradata to GaussDB(DWS), including the migration of schemas, DML, queries, system functions, and type conversion.Run the following comman",
"doc_type":"tg",
"kw":"Teradata SQL Migration,Using DSC,Tool Guide",
"title":"Teradata SQL Migration",
"githuburl":""
},
{
"uri":"dws_mt_0039.html",
"product_code":"dws",
"code":"178",
"des":"DSC supports the migration from Oracle to GaussDB(DWS), including the migration of schemas, DML, queries, system functions, and PL/SQL.Run the following commands to set t",
"doc_type":"tg",
"kw":"Oracle SQL Migration,Using DSC,Tool Guide",
"title":"Oracle SQL Migration",
"githuburl":""
},
{
"uri":"dws_mt_0041.html",
"product_code":"dws",
"code":"179",
"des":"This section describes how to migrate Teradata Perl files.Run the runDSC.shor runDSC.bat command and set --application-lang to perl to migrate Teradata BTEQ or SQL_LANG s",
"doc_type":"tg",
"kw":"Teradata Perl Migration,Using DSC,Tool Guide",
"title":"Teradata Perl Migration",
"githuburl":""
},
{
"uri":"dws_07_0675.html",
"product_code":"dws",
"code":"180",
"des":"DSC supports the migration from Netezza to GaussDB(DWS), including the migration of schemas, DML, queries, system functions, and PL/SQL.Run the following commands to set ",
"doc_type":"tg",
"kw":"Netezza SQL Migration,Using DSC,Tool Guide",
"title":"Netezza SQL Migration",
"githuburl":""
},
{
"uri":"dws_07_0676.html",
"product_code":"dws",
"code":"181",
"des":"DSC supports the migration from MySQL to GaussDB(DWS), including the migration of schemas, DML, queries, system functions, and PL/SQL.Run the following command on Linux t",
"doc_type":"tg",
"kw":"MySQL SQL Migration,Using DSC,Tool Guide",
"title":"MySQL SQL Migration",
"githuburl":""
},
{
"uri":"dws_mt_0042.html",
"product_code":"dws",
"code":"182",
"des":"SQL Formatter improves the readability of SQL statements. It formats SQL statements by adding/deleting rows and indenting context, and is used to format migrated output f",
"doc_type":"tg",
"kw":"SQL Formatter,Using DSC,Tool Guide",
"title":"SQL Formatter",
"githuburl":""
},
{
"uri":"dws_mt_0044.html",
"product_code":"dws",
"code":"183",
"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":"tg",
"kw":"Teradata Syntax Migration",
"title":"Teradata Syntax Migration",
"githuburl":""
},
{
"uri":"dws_mt_0045.html",
"product_code":"dws",
"code":"184",
"des":"This section lists the Teradata features supported by the syntax migration tool, and provides the Teradata syntax and the equivalent GaussDB syntax for each feature. The ",
"doc_type":"tg",
"kw":"Overview,Teradata Syntax Migration,Tool Guide",
"title":"Overview",
"githuburl":""
},
{
"uri":"dws_mt_0046.html",
"product_code":"dws",
"code":"185",
"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":"tg",
"kw":"Schema Objects",
"title":"Schema Objects",
"githuburl":""
},
{
"uri":"dws_mt_0048.html",
"product_code":"dws",
"code":"186",
"des":"The table-specific keyword MULTISET VOLATILE is provided in the input file, but the keyword is not supported by GaussDB(DWS). Therefore, the tool replaces it with the LOC",
"doc_type":"tg",
"kw":"Table Migration,Schema Objects,Tool Guide",
"title":"Table Migration",
"githuburl":""
},
{
"uri":"dws_mt_0064.html",
"product_code":"dws",
"code":"187",
"des":"The sequence of CREATE INDEX columns and table names in Teradata is different from that in GaussDB(DWS). Use the configuration parameter distributeByHash to configure how",
"doc_type":"tg",
"kw":"Index Migration,Schema Objects,Tool Guide",
"title":"Index Migration",
"githuburl":""
},
{
"uri":"dws_mt_0065.html",
"product_code":"dws",
"code":"188",
"des":"CREATE VIEW (short key CV) is used together with SELECT to create a view.The keyword VIEW is supported by both Teradata and GaussDB(DWS), but the SELECT statements are en",
"doc_type":"tg",
"kw":"View Migration,Schema Objects,Tool Guide",
"title":"View Migration",
"githuburl":""
},
{
"uri":"dws_mt_0066.html",
"product_code":"dws",
"code":"189",
"des":"COLLECT STAT is used in Teradata for collecting optimizer statistics, which will be used for query performance. GaussDB(DWS) uses the ANALYZE statement to replace the COL",
"doc_type":"tg",
"kw":"COLLECT STATISTICS,Schema Objects,Tool Guide",
"title":"COLLECT STATISTICS",
"githuburl":""
},
{
"uri":"dws_mt_0067.html",
"product_code":"dws",
"code":"190",
"des":"ACCESS LOCK allows you to read the data from a table that may have been locked for the READ or WRITE.Use the tdMigrateLOCKOption configuration parameter to configure migr",
"doc_type":"tg",
"kw":"ACCESS LOCK,Schema Objects,Tool Guide",
"title":"ACCESS LOCK",
"githuburl":""
},
{
"uri":"dws_mt_0068.html",
"product_code":"dws",
"code":"191",
"des":"DBC.COLUMNSview is a table containing information about table and view columns, stored procedures, or macro parameters. The view includes the following column names: Data",
"doc_type":"tg",
"kw":"DBC.COLUMNS,Schema Objects,Tool Guide",
"title":"DBC.COLUMNS",
"githuburl":""
},
{
"uri":"dws_mt_0069.html",
"product_code":"dws",
"code":"192",
"des":"The DSC migrates dbc.tables to their corresponding mig_td_ext.vw_td_dbc_tables.Example: databasename is migrated as mig_td_ext.vw_td_dbc_tables.schemaname.InputOutput",
"doc_type":"tg",
"kw":"DBC.TABLES,Schema Objects,Tool Guide",
"title":"DBC.TABLES",
"githuburl":""
},
{
"uri":"dws_mt_0070.html",
"product_code":"dws",
"code":"193",
"des":"DSC migrates dbc.indices to the corresponding mig_td_ext.vw_td_dbc_indices.Example: databasename is migrated as mig_td_ext.vw_td_dbc_tables.schemaname.InputOutputIn dbc.i",
"doc_type":"tg",
"kw":"DBC.INDICES,Schema Objects,Tool Guide",
"title":"DBC.INDICES",
"githuburl":""
},
{
"uri":"dws_07_8111.html",
"product_code":"dws",
"code":"194",
"des":"This command displays the COLLECT STATISTICS statement with statistics. Gauss does not have an equivalent for this. Since it does not affect the functionality, this comma",
"doc_type":"tg",
"kw":"SHOW STATS VALUES SEQUENCED,Teradata Syntax Migration,Tool Guide",
"title":"SHOW STATS VALUES SEQUENCED",
"githuburl":""
},
{
"uri":"dws_mt_0071.html",
"product_code":"dws",
"code":"195",
"des":"This section describes the syntax for migrating Teradata DML. The migration syntax determines how the keywords and features are migrated.In Teradata, SQL queries in a fil",
"doc_type":"tg",
"kw":"DML,Teradata Syntax Migration,Tool Guide",
"title":"DML",
"githuburl":""
},
{
"uri":"dws_mt_0084.html",
"product_code":"dws",
"code":"196",
"des":"This section contains the migration syntax for migrating Teradata query migration operators. The migration syntax determines how the keywords and features are migrated.Fo",
"doc_type":"tg",
"kw":"Querying Migration Operators,Teradata Syntax Migration,Tool Guide",
"title":"Querying Migration Operators",
"githuburl":""
},
{
"uri":"dws_mt_0091.html",
"product_code":"dws",
"code":"197",
"des":"This section describes the syntax for migrating Teradata query optimization operators. The migration syntax determines how the keywords and features are migrated.Use the ",
"doc_type":"tg",
"kw":"Query Optimization Operators,Teradata Syntax Migration,Tool Guide",
"title":"Query Optimization Operators",
"githuburl":""
},
{
"uri":"dws_mt_0094.html",
"product_code":"dws",
"code":"198",
"des":"This section contains the migration syntax for migrating Teradata system functions and operators. The migration syntax determines how the keywords and features are migrat",
"doc_type":"tg",
"kw":"System Functions and Operators,Teradata Syntax Migration,Tool Guide",
"title":"System Functions and Operators",
"githuburl":""
},
{
"uri":"dws_mt_0100.html",
"product_code":"dws",
"code":"199",
"des":"Input: **OutputInput: MODOutputUse the tdMigrateNULLIFZERO configuration parameter to configure migration of NULLIFZERO.Input: NULLIFZEROSELECT NULLIFZERO(expr1) FROM tab",
"doc_type":"tg",
"kw":"Math Functions,Teradata Syntax Migration,Tool Guide",
"title":"Math Functions",
"githuburl":""
},
{
"uri":"dws_mt_0101.html",
"product_code":"dws",
"code":"200",
"des":"Input: CHAROutputInput: CHARACTERSOutputInput: INDEXOutputInput: STRREPLACESELECT STRREPLACE(c2, '.', '')\n FROM tab1\n WHERE ...;OutputInput: OREPLACESELECT OREPLACE (c2,",
"doc_type":"tg",
"kw":"String Functions,Teradata Syntax Migration,Tool Guide",
"title":"String Functions",
"githuburl":""
},
{
"uri":"dws_mt_0102.html",
"product_code":"dws",
"code":"201",
"des":"Migration tools support the migration of Teradata DATE FORMAT in SELECT statements, using TO_CHAR to display the date in the source format. This conversion is not done if",
"doc_type":"tg",
"kw":"Date and Time Functions,Teradata Syntax Migration,Tool Guide",
"title":"Date and Time Functions",
"githuburl":""
},
{
"uri":"dws_mt_0103.html",
"product_code":"dws",
"code":"202",
"des":"This section contains the migration syntax for migrating Teradata type casting and formatting syntax. The migration syntax determines how the keywords and features are mi",
"doc_type":"tg",
"kw":"Type Casting and Formatting,Teradata Syntax Migration,Tool Guide",
"title":"Type Casting and Formatting",
"githuburl":""
},
{
"uri":"dws_07_8120.html",
"product_code":"dws",
"code":"203",
"des":"The BTEQ utility commands are as follows:LOGOFF ends the current RDBMS sessions without exiting BTEQ.QUIT command ends the current Teradata database sessions and exits BT",
"doc_type":"tg",
"kw":"BTEQ Utility Command,Teradata Syntax Migration,Tool Guide",
"title":"BTEQ Utility Command",
"githuburl":""
},
{
"uri":"dws_07_8121.html",
"product_code":"dws",
"code":"204",
"des":"InputOutputInputOutputInputOutputInputOutputInputOutput",
"doc_type":"tg",
"kw":"DSQL,Teradata Syntax Migration,Tool Guide",
"title":"DSQL",
"githuburl":""
},
{
"uri":"dws_mt_0104.html",
"product_code":"dws",
"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.",
"doc_type":"tg",
"kw":"Oracle Syntax Migration",
"title":"Oracle Syntax Migration",
"githuburl":""
},
{
"uri":"dws_mt_0105.html",
"product_code":"dws",
"code":"206",
"des":"This section lists the Oracle features supported by the syntax migration tool, and provides the Oracle syntax and the equivalent GaussDB(DWS) syntax for each feature. The",
"doc_type":"tg",
"kw":"Overview,Oracle Syntax Migration,Tool Guide",
"title":"Overview",
"githuburl":""
},
{
"uri":"dws_mt_0106.html",
"product_code":"dws",
"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.",
"doc_type":"tg",
"kw":"Schema Objects",
"title":"Schema Objects",
"githuburl":""
},
{
"uri":"dws_mt_0108.html",
"product_code":"dws",
"code":"208",
"des":"The Oracle CREATE TABLE statement is used to create new tables. The target database supports Oracle CREATE TABLE without any migration.The Oracle ALTER TABLE statement is",
"doc_type":"tg",
"kw":"Tables,Schema Objects,Tool Guide",
"title":"Tables",
"githuburl":""
},
{
"uri":"dws_mt_0109.html",
"product_code":"dws",
"code":"209",
"des":"GaussDB(DWS) does not support GLOBAL TEMPORARY TABLE, and it will be migrated to LOCAL TEMPORARY TABLE.ON COMMIT DELETE ROWS is also not supported, and will be migrated t",
"doc_type":"tg",
"kw":"Temporary Tables,Schema Objects,Tool Guide",
"title":"Temporary Tables",
"githuburl":""
},
{
"uri":"dws_mt_0212.html",
"product_code":"dws",
"code":"210",
"des":"Global temporary tables are converted to local temporary tables.Input - GLOBAL TEMPORARY TABLEOutput",
"doc_type":"tg",
"kw":"Global Temporary Tables,Schema Objects,Tool Guide",
"title":"Global Temporary Tables",
"githuburl":""
},
{
"uri":"dws_mt_0110.html",
"product_code":"dws",
"code":"211",
"des":"When an index is created in GaussDB(DWS), a schema name cannot be specified along with the index name. The index will be automatically created in the schema where the ind",
"doc_type":"tg",
"kw":"Index Migration,Schema Objects,Tool Guide",
"title":"Index Migration",
"githuburl":""
},
{
"uri":"dws_mt_0111.html",
"product_code":"dws",
"code":"212",
"des":"A view is a logical table that is based on one or more tables or views. A view itself contains no data.In the source file, if the table names are not qualified with the s",
"doc_type":"tg",
"kw":"Views,Schema Objects,Tool Guide",
"title":"Views",
"githuburl":""
},
{
"uri":"dws_mt_0112.html",
"product_code":"dws",
"code":"213",
"des":"A sequence is an Oracle object used to generate a number sequence. This can be useful when you need to create an autonumber column to act as a primary key.If MigSupportSe",
"doc_type":"tg",
"kw":"Sequences,Schema Objects,Tool Guide",
"title":"Sequences",
"githuburl":""
},
{
"uri":"dws_mt_0113.html",
"product_code":"dws",
"code":"214",
"des":"In Oracle, the DROP TABLE statement moves a table to the recycle bin. The PURGE statement is used to remove a table or index from the recycle bin and release all of the s",
"doc_type":"tg",
"kw":"PURGE,Schema Objects,Tool Guide",
"title":"PURGE",
"githuburl":""
},
{
"uri":"dws_mt_0114.html",
"product_code":"dws",
"code":"215",
"des":"DSC supports GaussDB(DWS) keywords, such as NAME, LIMIT, OWNER, KEY, and CAST. These keywords must be enclosed in double quotation marks.The keywords NAME, VERSION, LABEL",
"doc_type":"tg",
"kw":"Database Keywords,Schema Objects,Tool Guide",
"title":"Database Keywords",
"githuburl":""
},
{
"uri":"dws_07_6814.html",
"product_code":"dws",
"code":"216",
"des":"Input – COMPRESS PhraseOutput",
"doc_type":"tg",
"kw":"COMPRESS Phrase,Oracle Syntax Migration,Tool Guide",
"title":"COMPRESS Phrase",
"githuburl":""
},
{
"uri":"dws_07_6815.html",
"product_code":"dws",
"code":"217",
"des":"There is a configuration parameter that is introduced for this feature named BitmapIndexSupport which default value is comment, then the sample input and output are as fo",
"doc_type":"tg",
"kw":"Bitmap Index,Oracle Syntax Migration,Tool Guide",
"title":"Bitmap Index",
"githuburl":""
},
{
"uri":"dws_07_6816.html",
"product_code":"dws",
"code":"218",
"des":"Input – custom tablespaceOutput",
"doc_type":"tg",
"kw":"Custom Tablespace,Oracle Syntax Migration,Tool Guide",
"title":"Custom Tablespace",
"githuburl":""
},
{
"uri":"dws_07_6817.html",
"product_code":"dws",
"code":"219",
"des":"Supplemental columns can be recorded in redo log files. The process of recording these additional columns is called supplemental logging. The Oracle database supports thi",
"doc_type":"tg",
"kw":"Supplemental Log Data,Oracle Syntax Migration,Tool Guide",
"title":"Supplemental Log Data",
"githuburl":""
},
{
"uri":"dws_07_6818.html",
"product_code":"dws",
"code":"220",
"des":"\"Data type LONG RAW\" is not supported in the CREATE TABLE statement. LONG RAW data type needs to be replaced with Byte.InputOutput",
"doc_type":"tg",
"kw":"LONG RAW,Oracle Syntax Migration,Tool Guide",
"title":"LONG RAW",
"githuburl":""
},
{
"uri":"dws_07_6819.html",
"product_code":"dws",
"code":"221",
"des":"SYS_GUID is a built-in function which returns the Global Unique Identifier (GUID) for a row in a table. It accepts no arguments and returns a RAW value of 16 bytes.InputO",
"doc_type":"tg",
"kw":"SYS_GUID,Oracle Syntax Migration,Tool Guide",
"title":"SYS_GUID",
"githuburl":""
},
{
"uri":"dws_mt_0115.html",
"product_code":"dws",
"code":"222",
"des":"This section describes the migration syntax of Oracle DML. The migration syntax decides how the keywords/features are migrated.For details, see the following topics:SELEC",
"doc_type":"tg",
"kw":"DML,Oracle Syntax Migration,Tool Guide",
"title":"DML",
"githuburl":""
},
{
"uri":"dws_mt_0128.html",
"product_code":"dws",
"code":"223",
"des":"This section contains the migration syntax of Oracle Pseudo Columns. The migration syntax decides how the keywords/features are migrated.A pseudo column is similar to a t",
"doc_type":"tg",
"kw":"Pseudo Columns,Oracle Syntax Migration,Tool Guide",
"title":"Pseudo Columns",
"githuburl":""
},
{
"uri":"dws_mt_0132.html",
"product_code":"dws",
"code":"224",
"des":"This section describes the migration syntax of Oracle OUTER JOIN. The migration syntax determines how the keywords/features are migrated.An OUTER JOIN returns all rows th",
"doc_type":"tg",
"kw":"OUTER JOIN,Oracle Syntax Migration,Tool Guide",
"title":"OUTER JOIN",
"githuburl":""
},
{
"uri":"dws_mt_0215.html",
"product_code":"dws",
"code":"225",
"des":"Join is supported in Gauss 18.2.0, so parameter supportJoinOperatoris added.OUTER QUERY (+)can be migrated when supportJoinOperatoris set to false.Input-OUTER QUERY(+)Out",
"doc_type":"tg",
"kw":"OUTER QUERY (+),Oracle Syntax Migration,Tool Guide",
"title":"OUTER QUERY (+)",
"githuburl":""
},
{
"uri":"dws_mt_0216.html",
"product_code":"dws",
"code":"226",
"des":"Input-CONNECT BYOutputInput - CONNECT BY multiple tablesThe syntax shows the relationship between each child row and its parent row. It uses the CONNECT BY xxx PRIOR clau",
"doc_type":"tg",
"kw":"CONNECT BY,Oracle Syntax Migration,Tool Guide",
"title":"CONNECT BY",
"githuburl":""
},
{
"uri":"dws_mt_0133.html",
"product_code":"dws",
"code":"227",
"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":"tg",
"kw":"System Functions",
"title":"System Functions",
"githuburl":""
},
{
"uri":"dws_mt_0135.html",
"product_code":"dws",
"code":"228",
"des":"This section describes the following date functions:ADD_MONTHSDATE_TRUNCLAST_DAYMONTHS_BETWEENSYSTIMESTAMPADD_MONTHS is an Oracle system function and is not implicitly su",
"doc_type":"tg",
"kw":"Date Functions,System Functions,Tool Guide",
"title":"Date Functions",
"githuburl":""
},
{
"uri":"dws_mt_0136.html",
"product_code":"dws",
"code":"229",
"des":"This section describes the following LOB functions:DBMS_LOB.APPENDDBMS_LOB.COMPAREDBMS_LOB.CREATETEMPORARYDBMS_LOB.INSTRDBMS_LOB.SUBSTRDBMS_LOB.APPEND function appends th",
"doc_type":"tg",
"kw":"LOB Functions,System Functions,Tool Guide",
"title":"LOB Functions",
"githuburl":""
},
{
"uri":"dws_mt_0137.html",
"product_code":"dws",
"code":"230",
"des":"This section describes the following string functions:LISTAGGSTRAGGWM_CONCATNVL2 and REPLACEQUOTELISTAGG is used to order data in columns within each group specified in t",
"doc_type":"tg",
"kw":"String Functions,System Functions,Tool Guide",
"title":"String Functions",
"githuburl":""
},
{
"uri":"dws_mt_0138.html",
"product_code":"dws",
"code":"231",
"des":"Analytical functions compute an aggregate value based on a group of rows. They differ from aggregate functions in that they return multiple rows for each group. Analytica",
"doc_type":"tg",
"kw":"Analytical Functions,System Functions,Tool Guide",
"title":"Analytical Functions",
"githuburl":""
},
{
"uri":"dws_mt_0139.html",
"product_code":"dws",
"code":"232",
"des":"Regular expressions specify patterns to match strings using standardized syntax conventions. In Oracle, regular expressions are implemented using a set of SQL functions t",
"doc_type":"tg",
"kw":"Regular Expression Functions,System Functions,Tool Guide",
"title":"Regular Expression Functions",
"githuburl":""
},
{
"uri":"dws_mt_0141.html",
"product_code":"dws",
"code":"233",
"des":"This section describes the migration syntax of Oracle PL/SQL. The migration syntax determines how the keywords and features are migrated.PL/SQL combines the procedural fe",
"doc_type":"tg",
"kw":"PL/SQL,Oracle Syntax Migration,Tool Guide",
"title":"PL/SQL",
"githuburl":""
},
{
"uri":"dws_mt_0155.html",
"product_code":"dws",
"code":"234",
"des":"This section descripes the migration syntax of Oracle PL/SQL Collections. The migration syntax decides how the keywords/features are migrated.A user-defined type (UDT) is",
"doc_type":"tg",
"kw":"PL/SQL Collections (Using User-Defined Types),Oracle Syntax Migration,Tool Guide",
"title":"PL/SQL Collections (Using User-Defined Types)",
"githuburl":""
},
{
"uri":"dws_mt_0156.html",
"product_code":"dws",
"code":"235",
"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":"tg",
"kw":"PL/SQL Packages",
"title":"PL/SQL Packages",
"githuburl":""
},
{
"uri":"dws_mt_0158.html",
"product_code":"dws",
"code":"236",
"des":"Packages are schema objects that group logically related PL/SQL types, variables, functions and procedures. In Oracle, each package consists of two parts: package specifi",
"doc_type":"tg",
"kw":"Packages,PL/SQL Packages,Tool Guide",
"title":"Packages",
"githuburl":""
},
{
"uri":"dws_mt_0159.html",
"product_code":"dws",
"code":"237",
"des":"Package variables are available in Oracle packages that allow variables to retain all the functions and procedures in the package. DSC uses customized functions to help G",
"doc_type":"tg",
"kw":"Package Variables,PL/SQL Packages,Tool Guide",
"title":"Package Variables",
"githuburl":""
},
{
"uri":"dws_mt_0301.html",
"product_code":"dws",
"code":"238",
"des":"The package specification is migrated as a schema named after the package and the procedures and functions in the package body is migrated as Packagename.procedurenameand",
"doc_type":"tg",
"kw":"Splitting Packages,PL/SQL Packages,Tool Guide",
"title":"Splitting Packages",
"githuburl":""
},
{
"uri":"dws_mt_0302.html",
"product_code":"dws",
"code":"239",
"des":"REF Cursor is a data type that can store the database cursor values and is used to return query results. DSC supports migration of REF CURSOR. The example below shows how",
"doc_type":"tg",
"kw":"REF CURSOR,PL/SQL Packages,Tool Guide",
"title":"REF CURSOR",
"githuburl":""
},
{
"uri":"dws_mt_0221.html",
"product_code":"dws",
"code":"240",
"des":"The pacakge declaration is miagrated as a schema named after the package. The migration can be performed after pkgSchemaNaming is set to false.Input – Create schema for P",
"doc_type":"tg",
"kw":"Creating a Schema for Package,PL/SQL Packages,Tool Guide",
"title":"Creating a Schema for Package",
"githuburl":""
},
{
"uri":"dws_mt_0303.html",
"product_code":"dws",
"code":"241",
"des":"REF CURSOR is defined as a return parameter.It can be migrated after plsqlCollectionis set tovarray.Input - VARRAYOutput",
"doc_type":"tg",
"kw":"VARRAY,Oracle Syntax Migration,Tool Guide",
"title":"VARRAY",
"githuburl":""
},
{
"uri":"dws_mt_0304.html",
"product_code":"dws",
"code":"242",
"des":"This feature is used to give privileges to users for specific packages. As GaussDB does not support packages, all the procedures and functions defined in the specific pac",
"doc_type":"tg",
"kw":"Granting Execution Permissions,Oracle Syntax Migration,Tool Guide",
"title":"Granting Execution Permissions",
"githuburl":""
},
{
"uri":"dws_mt_0305.html",
"product_code":"dws",
"code":"243",
"des":"Enable & DisableSet package_name_list to bas_lookup_misc_pkg.Enable and disable the function based on configuration parameters.InputOutput",
"doc_type":"tg",
"kw":"Package Name List,Oracle Syntax Migration,Tool Guide",
"title":"Package Name List",
"githuburl":""
},
{
"uri":"dws_mt_0306.html",
"product_code":"dws",
"code":"244",
"des":"SubtypeThe customized type in the package cannot be converted.SUBTYPE error_msg IS sad_products_t.exception_description%TYPE;SUBTYPE AR_FLAG IS SAD_RA_LINES_TI.AR_FLAG%TY",
"doc_type":"tg",
"kw":"Data Type,Oracle Syntax Migration,Tool Guide",
"title":"Data Type",
"githuburl":""
},
{
"uri":"dws_mt_0222.html",
"product_code":"dws",
"code":"245",
"des":"Input-Chinese (OutputInput-Chinese )OutputInput-Chinese,OutputInput-Support Chinese SPACEOutput",
"doc_type":"tg",
"kw":"Chinese Character Support,Oracle Syntax Migration,Tool Guide",
"title":"Chinese Character Support",
"githuburl":""
},
{
"uri":"dws_07_0682.html",
"product_code":"dws",
"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.",
"doc_type":"tg",
"kw":"Netezza Syntax Migration",
"title":"Netezza Syntax Migration",
"githuburl":""
},
{
"uri":"dws_07_6821.html",
"product_code":"dws",
"code":"247",
"des":"DISTRIBUTE ON (column) should be migrated to DISTRIBUTE BY HASH (column).ORGANIZE ON will be commented out.The row-store supports BLOB and CLOB. Column storage does not s",
"doc_type":"tg",
"kw":"Tables,Netezza Syntax Migration,Tool Guide",
"title":"Tables",
"githuburl":""
},
{
"uri":"dws_07_6822.html",
"product_code":"dws",
"code":"248",
"des":"PROCEDURE with RETURNS will be modified to FUNCTION with RETURN.Migrate the nzplSQL language to the plpgSQL language or delete the language.The process which is started w",
"doc_type":"tg",
"kw":"PROCEDURE with RETURNS,Netezza Syntax Migration,Tool Guide",
"title":"PROCEDURE with RETURNS",
"githuburl":""
},
{
"uri":"dws_07_6823.html",
"product_code":"dws",
"code":"249",
"des":"NVARCHAR changed to NCHAR VARING.The row_count function is supported for affected row counting.ROW_COUNT identifies the number of rows associated with the previous SQL st",
"doc_type":"tg",
"kw":"Procedure,Netezza Syntax Migration,Tool Guide",
"title":"Procedure",
"githuburl":""
},
{
"uri":"dws_07_6824.html",
"product_code":"dws",
"code":"250",
"des":"Second parameter is missing.Casting the data type.",
"doc_type":"tg",
"kw":"System Functions,Netezza Syntax Migration,Tool Guide",
"title":"System Functions",
"githuburl":""
},
{
"uri":"dws_07_6825.html",
"product_code":"dws",
"code":"251",
"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":"tg",
"kw":"Operator,Netezza Syntax Migration,Tool Guide",
"title":"Operator",
"githuburl":""
},
{
"uri":"dws_07_6826.html",
"product_code":"dws",
"code":"252",
"des":"A new configuration parameter \"keywords_addressed_using_doublequote\" should be introduced with the below value:keywords_addressed_using_doublequote=freezekeywords_address",
"doc_type":"tg",
"kw":"DML,Netezza Syntax Migration,Tool Guide",
"title":"DML",
"githuburl":""
},
{
"uri":"dws_07_6827.html",
"product_code":"dws",
"code":"253",
"des":"This feature is applicable only for COLUMN store. For ROW store, Unique Index should not be commented.",
"doc_type":"tg",
"kw":"Index Migration,Netezza Syntax Migration,Tool Guide",
"title":"Index Migration",
"githuburl":""
},
{
"uri":"dws_sct_0013.html",
"product_code":"dws",
"code":"254",
"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":"tg",
"kw":"MySQL Syntax Migration",
"title":"MySQL Syntax Migration",
"githuburl":""
},
{
"uri":"dws_07_6831.html",
"product_code":"dws",
"code":"255",
"des":"MySQL supports a number of basic data types, including numeric, date/time, string (character), LOB, set, binary, and Boolean types. GaussDB(DWS) does not support some bas",
"doc_type":"tg",
"kw":"Basic Data Types,MySQL Syntax Migration,Tool Guide",
"title":"Basic Data Types",
"githuburl":""
},
{
"uri":"dws_07_6832.html",
"product_code":"dws",
"code":"256",
"des":"This section describes the migration syntax of MySQL tables (optional parameter). The migration syntax determines how the keywords and features are migrated. GaussDB(DWS)",
"doc_type":"tg",
"kw":"Table (Optional),MySQL Syntax Migration,Tool Guide",
"title":"Table (Optional)",
"githuburl":""
},
{
"uri":"dws_07_6833.html",
"product_code":"dws",
"code":"257",
"des":"This section contains the migration syntax for migrating MySQL table operation. The migration syntax decides how the supported keywords/features are migrated.For details,",
"doc_type":"tg",
"kw":"Table Operations,MySQL Syntax Migration,Tool Guide",
"title":"Table Operations",
"githuburl":""
},
{
"uri":"dws_07_6834.html",
"product_code":"dws",
"code":"258",
"des":"If MySQL unique indexes (constraints) and primary key constraints are used together during migration, OLAP distribution keys may become unavailable. Therefore, this scena",
"doc_type":"tg",
"kw":"Unique Indexes,MySQL Syntax Migration,Tool Guide",
"title":"Unique Indexes",
"githuburl":""
},
{
"uri":"dws_07_6835.html",
"product_code":"dws",
"code":"259",
"des":"GaussDB(DWS) does not support prefix indexes or inline normal indexes. DSC will replace these indexes with normal indexes based on GaussDB features.Inline normal/prefix i",
"doc_type":"tg",
"kw":"Normal and Prefix Indexes,MySQL Syntax Migration,Tool Guide",
"title":"Normal and Prefix Indexes",
"githuburl":""
},
{
"uri":"dws_07_6836.html",
"product_code":"dws",
"code":"260",
"des":"GaussDB(DWS) does not support hash indexes. DSC will replace these indexes with normal indexes based on GaussDB features.Inline hash indexInputCREATE TABLE `public`.`test",
"doc_type":"tg",
"kw":"Hash Indexes,MySQL Syntax Migration,Tool Guide",
"title":"Hash Indexes",
"githuburl":""
},
{
"uri":"dws_07_6837.html",
"product_code":"dws",
"code":"261",
"des":"GaussDB(DWS) supports B-tree indexes, but the position of the USING BTREE keyword in a statement is different from that in MySQL. DSC will perform adaptation based on Gau",
"doc_type":"tg",
"kw":"B-tree Indexes,MySQL Syntax Migration,Tool Guide",
"title":"B-tree Indexes",
"githuburl":""
},
{
"uri":"dws_07_6838.html",
"product_code":"dws",
"code":"262",
"des":"GaussDB(DWS) does not support spatial indexes. DSC will perform adaptation based on GaussDB features during migration.Inline spatial indexInputCREATE TABLE `public`.`test",
"doc_type":"tg",
"kw":"Spatial Indexes,MySQL Syntax Migration,Tool Guide",
"title":"Spatial Indexes",
"githuburl":""
},
{
"uri":"dws_07_8310.html",
"product_code":"dws",
"code":"263",
"des":"MySQL supports both DROP INDEX and ALTER TABLE DROP INDEX for deleting indexes. DSC will perform adaptation based on GaussDB features during migration.DROP INDEXInputCREA",
"doc_type":"tg",
"kw":"Delete an Index,MySQL Syntax Migration,Tool Guide",
"title":"Delete an Index",
"githuburl":""
},
{
"uri":"dws_07_8311.html",
"product_code":"dws",
"code":"264",
"des":"To comment out a single line, MySQL uses # or --, and GaussDB(DWS) uses --. DSC will replace # with -- for commenting out a single line during migration.InputOutput",
"doc_type":"tg",
"kw":"Comments,MySQL Syntax Migration,Tool Guide",
"title":"Comments",
"githuburl":""
},
{
"uri":"dws_07_8312.html",
"product_code":"dws",
"code":"265",
"des":"In MySQL, DATABASE is a schema object, which is equivalent to the SCHEMA of Oracle and GaussDB(DWS). DSC supports the following two scenarios:Database creationInputcreate",
"doc_type":"tg",
"kw":"Databases,MySQL Syntax Migration,Tool Guide",
"title":"Databases",
"githuburl":""
},
{
"uri":"dws_07_8313.html",
"product_code":"dws",
"code":"266",
"des":"This section describes the migration syntax of MySQL DML. The migration syntax determines how the keywords and features are migrated.For details, see the following topics",
"doc_type":"tg",
"kw":"Data Manipulation Language (DML),MySQL Syntax Migration,Tool Guide",
"title":"Data Manipulation Language (DML)",
"githuburl":""
},
{
"uri":"dws_07_8314.html",
"product_code":"dws",
"code":"267",
"des":"This section describes how to migrate keywords and features related to MySQL transaction and database management.TRANSACTIONDSC will perform adaptation based on GaussDB f",
"doc_type":"tg",
"kw":"Transaction Management and Database Management,MySQL Syntax Migration,Tool Guide",
"title":"Transaction Management and Database Management",
"githuburl":""
},
{
"uri":"dws_07_0684.html",
"product_code":"dws",
"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":"tg",
"kw":"DB2 Syntax Migration",
"title":"DB2 Syntax Migration",
"githuburl":""
},
{
"uri":"dws_07_6841.html",
"product_code":"dws",
"code":"269",
"des":"If a keyword is used as a column name, quotes (\") must be added, for example, \"order\".LONG VARCHAR should be changed to CLOB.LONG VARGRAPHIC.Below attributes of Foreign k",
"doc_type":"tg",
"kw":"Tables,DB2 Syntax Migration,Tool Guide",
"title":"Tables",
"githuburl":""
},
{
"uri":"dws_07_6842.html",
"product_code":"dws",
"code":"270",
"des":"FETCH clauseThe fetch-first-clause sets a maximum number of rows that can be retrieved.WITH AS with column listWITH AS with VALUES clauseTABLE function is specified with ",
"doc_type":"tg",
"kw":"DML,DB2 Syntax Migration,Tool Guide",
"title":"DML",
"githuburl":""
},
{
"uri":"dws_07_6843.html",
"product_code":"dws",
"code":"271",
"des":"Reverse Scansindex's schema is different from its table's schema.",
"doc_type":"tg",
"kw":"Index Migration (DB2),DB2 Syntax Migration,Tool Guide",
"title":"Index Migration (DB2)",
"githuburl":""
},
{
"uri":"dws_07_6844.html",
"product_code":"dws",
"code":"272",
"des":"Synonym is referred to Nickname in DB2.",
"doc_type":"tg",
"kw":"NICKNAME,DB2 Syntax Migration,Tool Guide",
"title":"NICKNAME",
"githuburl":""
},
{
"uri":"dws_07_6845.html",
"product_code":"dws",
"code":"273",
"des":"SET CURRENT SCHEMA",
"doc_type":"tg",
"kw":"Statement,DB2 Syntax Migration,Tool Guide",
"title":"Statement",
"githuburl":""
},
{
"uri":"dws_07_6846.html",
"product_code":"dws",
"code":"274",
"des":"DayMonthYearCurrent dateCurrent timestampPOSSTRValueThe date function returns a date using a value.",
"doc_type":"tg",
"kw":"System Functions,DB2 Syntax Migration,Tool Guide",
"title":"System Functions",
"githuburl":""
},
{
"uri":"dws_mt_0183.html",
"product_code":"dws",
"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.",
"doc_type":"tg",
"kw":"Command Reference",
"title":"Command Reference",
"githuburl":""
},
{
"uri":"dws_mt_0184.html",
"product_code":"dws",
"code":"276",
"des":"runDSC.sh or runDSC.bat is used to migrate schemas and queries of Teradata, Oracle, Netezza, MySQL, and DB2 to GaussDB(DWS).Linux:Windows:It is mandatory to specify the s",
"doc_type":"tg",
"kw":"Database Schema Conversion,Command Reference,Tool Guide",
"title":"Database Schema Conversion",
"githuburl":""
},
{
"uri":"dws_mt_0185.html",
"product_code":"dws",
"code":"277",
"des":"The version command is used to display the version number of the DSC.Linux:Windows:NoneLinux:Windows:",
"doc_type":"tg",
"kw":"Version,Command Reference,Tool Guide",
"title":"Version",
"githuburl":""
},
{
"uri":"dws_mt_0186.html",
"product_code":"dws",
"code":"278",
"des":"The help command is used to provide the help information for the commands supported by DSC.Linux:Windows:NoneNoneLinux:Windows:Linux:Windows:",
"doc_type":"tg",
"kw":"Help,Command Reference,Tool Guide",
"title":"Help",
"githuburl":""
},
{
"uri":"dws_mt_0187.html",
"product_code":"dws",
"code":"279",
"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":"tg",
"kw":"Log Reference",
"title":"Log Reference",
"githuburl":""
},
{
"uri":"dws_mt_0188.html",
"product_code":"dws",
"code":"280",
"des":"The log files are the repository for all operations and status of the DSC. The following log files are available:SQL Migration LogsDSC.log: SQL Migration all activities.D",
"doc_type":"tg",
"kw":"Overview,Log Reference,Tool Guide",
"title":"Overview",
"githuburl":""
},
{
"uri":"dws_mt_0189.html",
"product_code":"dws",
"code":"281",
"des":"The SQL DSC (DSC.jar) supports the following types of logging:Activity LoggingError LoggingsuccessReadsuccessWriteIf a user specifies a log path, then all the logs are sa",
"doc_type":"tg",
"kw":"SQL Migration Logs,Log Reference,Tool Guide",
"title":"SQL Migration Logs",
"githuburl":""
},
{
"uri":"dws_mt_0190.html",
"product_code":"dws",
"code":"282",
"des":"The DSC writes all log information to a single file, perlDSC.log.Since the DSC will execute the SQL to migrate the SQL scripts inside Perl files, the following SQL migra",
"doc_type":"tg",
"kw":"Perl Migration Logs,Log Reference,Tool Guide",
"title":"Perl Migration Logs",
"githuburl":""
},
{
"uri":"dws_mt_0191.html",
"product_code":"dws",
"code":"283",
"des":"This section contains a list of troubleshooting steps and solutions for issues encountered while using DSC.The table lists the troubleshooting symptoms/issues along with ",
"doc_type":"tg",
"kw":"Troubleshooting,DSC,Tool Guide",
"title":"Troubleshooting",
"githuburl":""
},
{
"uri":"dws_mt_0192.html",
"product_code":"dws",
"code":"284",
"des":"This section covers the frequently asked questions.Q1: During installation, I get an error \"Root privileged users are not allowed to install the DSC for Linux.\" What is t",
"doc_type":"tg",
"kw":"FAQs,DSC,Tool Guide",
"title":"FAQs",
"githuburl":""
},
{
"uri":"dws_mt_0193.html",
"product_code":"dws",
"code":"285",
"des":"Ensure that the operating system and the required software (refer toSystem Requirements for more details) are updated with the latest patches to prevent vulnerabilities a",
"doc_type":"tg",
"kw":"Security Management,DSC,Tool Guide",
"title":"Security Management",
"githuburl":""
},
{
"uri":"dws_07_0100.html",
"product_code":"dws",
"code":"286",
"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":"tg",
"kw":"Server Tool",
"title":"Server Tool",
"githuburl":""
},
{
"uri":"dws_07_0101.html",
"product_code":"dws",
"code":"287",
"des":"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",
"doc_type":"tg",
"kw":"gs_dump,Server Tool,Tool Guide",
"title":"gs_dump",
"githuburl":""
},
{
"uri":"dws_07_0102.html",
"product_code":"dws",
"code":"288",
"des":"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",
"doc_type":"tg",
"kw":"gs_dumpall,Server Tool,Tool Guide",
"title":"gs_dumpall",
"githuburl":""
},
{
"uri":"dws_07_0103.html",
"product_code":"dws",
"code":"289",
"des":"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 ",
"doc_type":"tg",
"kw":"gs_restore,Server Tool,Tool Guide",
"title":"gs_restore",
"githuburl":""
},
{
"uri":"dws_07_0104.html",
"product_code":"dws",
"code":"290",
"des":"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",
"doc_type":"tg",
"kw":"gds_check,Server Tool,Tool Guide",
"title":"gds_check",
"githuburl":""
},
{
"uri":"dws_07_0106.html",
"product_code":"dws",
"code":"291",
"des":"gds_install is a script tool used to install GDS in batches, improving GDS deployment efficiency.Configure environment variables before executing the script. For details,",
"doc_type":"tg",
"kw":"gds_install,Server Tool,Tool Guide",
"title":"gds_install",
"githuburl":""
},
{
"uri":"dws_07_0107.html",
"product_code":"dws",
"code":"292",
"des":"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 ",
"doc_type":"tg",
"kw":"gds_uninstall,Server Tool,Tool Guide",
"title":"gds_uninstall",
"githuburl":""
},
{
"uri":"dws_07_0105.html",
"product_code":"dws",
"code":"293",
"des":"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",
"doc_type":"tg",
"kw":"gds_ctl,Server Tool,Tool Guide",
"title":"gds_ctl",
"githuburl":""
},
{
"uri":"dws_07_0108.html",
"product_code":"dws",
"code":"294",
"des":"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",
"doc_type":"tg",
"kw":"gs_sshexkey,Server Tool,Tool Guide",
"title":"gs_sshexkey",
"githuburl":""
},
{
"uri":"dws_07_0173.html",
"product_code":"dws",
"code":"295",
"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":"tg",
"kw":"Change History,Tool Guide",
"title":"Change History",
"githuburl":""
}
]
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