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          • Synchronizing Hudi Tasks - GaussDB(DWS)

            Synchronizing Hudi Tasks - GaussDB(DWS)

            the Hudi synchronization task. 1 SELECT pg_task_remove('task_id'); Example: Delete the synchronization task whose task_id is 64479410-a04c-0700-d150-3037d700fffe. 1 SELECT pg_task_remove('64479410-a04c-0700-d150-3037d700fffe'); Querying Past Synchronization Information Use the

            Help > GaussDB(DWS) > Developer Guide (9.1.0.x) > GaussDB(DWS) Data Query > SQL on Hudi
          • RETURN Statements - GaussDB(DWS)

            RETURN Statements - GaussDB(DWS)

            END; / -- Invoke a stored procedure proc_return: CALL proc_return(); -- Delete a stored procedure: DROP PROCEDURE proc_staffs; DROP PROCEDURE proc_return; --Create the function func_return.

            Help > GaussDB(DWS) > Developer Guide (9.1.0.x) > GaussDB(DWS) Stored Procedure > GaussDB(DWS) Stored Procedure Control Statements
          • Alarm Rules - GaussDB(DWS)

            Alarm Rules - GaussDB(DWS)

            Delete: deletes an alarm rule. You can delete only user-defined rules. Default alarm rules cannot be deleted. Precautions After a cluster is migrated, to monitor alarms of the new cluster, change the cluster bound to the alarm rule to the new cluster.

            Help > GaussDB(DWS) > User Guide > GaussDB(DWS) Cluster O&M > Viewing and Subscribing to GaussDB(DWS) Cluster Alarms
          • Getting Started - GaussDB(DWS)

            Getting Started - GaussDB(DWS)

            Call the API in Deleting a Manual Snapshot to delete an unwanted snapshot. Call the API in Deleting Clusters to delete a finished or unwanted cluster. Prerequisites You have created a VPC, subnet, and security group and obtained their IDs. For details, see Creating a VPC.

            Help > GaussDB(DWS) > API Reference
          • Date/Time Types - GaussDB(DWS)

            Date/Time Types - GaussDB(DWS)

            53 54 55 56 57 58 59 60 61 62 63 --Create a table: CREATE TABLE date_type_tab(coll date); --Insert data: INSERT INTO date_type_tab VALUES (date '12-10-2010'); -- View data: SELECT * FROM date_type_tab; coll --------------------- 2010-12-10 00:00:00 (1 row) -- Delete

            Help > GaussDB(DWS) > SQL Syntax Reference (9.1.0.x) > Data Types
          • How Do I Determine When to Perform Node Flavor Change, All Specification Change, Scale-Out, or Scale-In for GaussDB(DWS)? - GaussDB(DWS)

            How Do I Determine When to Perform Node Flavor Change, All Specification Change, Scale-Out, or Scale-In for GaussDB(DWS)? - GaussDB(DWS)

            You want to change the cluster topology instead of scale-out or scale-in which simply adds nodes or delete nodes ring by ring. Your cluster is aged and you want to change it to a new cluster without migrating data. Currently, only storage-compute coupled clusters are supported.

            Help > GaussDB(DWS) > FAQs > Cluster Management
          • Boolean Type - GaussDB(DWS)

            Boolean Type - GaussDB(DWS)

            bool_type_t1 VALUES (FALSE, 'non est'); -- View data: SELECT * FROM bool_type_t1; bt_col1 | bt_col2 ---------+--------- t | sic est f | non est (2 rows) SELECT * FROM bool_type_t1 WHERE bt_col1 = 't'; bt_col1 | bt_col2 ---------+--------- t | sic est (1 row) -- Delete

            Help > GaussDB(DWS) > SQL Syntax Reference (9.1.0.x) > Data Types
          • Execution Plan Operator - GaussDB(DWS)

            Execution Plan Operator - GaussDB(DWS)

            ModifyTable INSERT/UPDATE/DELETE upper-layer node INSERT, UPDATE, and DELETE Append Appending UNION(ALL) Table inheritance MergeAppend Appending (ordered input) UNION(ALL) Table inheritance RecursiveUnion Processing the UNION subquery defined recursively in the WITH clause WITH RECURSIVE

            Help > GaussDB(DWS) > Developer Guide (9.1.0.x) > GaussDB(DWS) Performance Tuning > SQL Tuning
          • Managing Enterprise Projects - GaussDB(DWS)

            Managing Enterprise Projects - GaussDB(DWS)

            When you delete a cluster, the association between the cluster and its enterprise project is automatically deleted. Viewing Enterprise Projects After a cluster is created, you can view the associated enterprise project in the cluster list and Cluster Information page.

            Help > GaussDB(DWS) > User Guide > GaussDB(DWS) Cluster Management
          • Creating a GaussDB(DWS) Database and User - GaussDB(DWS)

            Creating a GaussDB(DWS) Database and User - GaussDB(DWS)

            If you select Forcibly delete and remove dependencies, tables, functions, and other database objects under the current user will be transferred to the administrator account. Click OK. Exporting a User Log in to the DWS console.

            Help > GaussDB(DWS) > User Guide
          • Miscellaneous Parameters - GaussDB(DWS)

            Miscellaneous Parameters - GaussDB(DWS)

            In this way, when any two of the DELTAMERGE, UPDATE, and DELETE operations are concurrently performed, an operation can be performed only after the previous one is complete.

            Help > GaussDB(DWS) > Developer Guide (9.1.0.x) > GUC Parameters of the GaussDB(DWS) Database
          • GaussDB(DWS) PL/Java Functions - GaussDB(DWS)

            GaussDB(DWS) PL/Java Functions - GaussDB(DWS)

            If you no longer need this function, delete it. 1 DROP FUNCTION java_upperstring; Uninstall the JAR package.

            Help > GaussDB(DWS) > Developer Guide (9.1.0.x) > GaussDB(DWS) User-Defined Functions
          • STATS_PERSISTENT - GaussDB(DWS)

            STATS_PERSISTENT - GaussDB(DWS)

            DSC will delete this attribute during migration. Input 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 CREATE TABLE `public`.

            Help > GaussDB(DWS) > Tool Guide > DSC > MySQL Syntax Migrating > Table (Optional Parameters and Operations)
          • PG_BLOCKLISTS - GaussDB(DWS)

            PG_BLOCKLISTS - GaussDB(DWS)

            The type can be SELECT, UPDATE, INSERT, DELETE, or MERGE. partition_num INT4 Estimated maximum number of partitions to be scanned table_num INT4 Estimated maximum number of tables to be scanned estimate_row INT4 Estimated maximum number of rows to be scanned query_band Text Type of

            Help > GaussDB(DWS) > Developer Guide (9.1.0.x) > GaussDB(DWS) System Catalogs and Views > System Catalogs
          • Authorizing a GaussDB(DWS) Cluster O&M Account - GaussDB(DWS)

            Authorizing a GaussDB(DWS) Cluster O&M Account - GaussDB(DWS)

            You can toggle off the switch and delete the O&M account if it is no longer needed. Extending the Validity Period Log in to the DWS console. In the cluster list, click the name of a cluster. On the cluster details page, click Extend by 8h in the O&M Account area.

            Help > GaussDB(DWS) > User Guide > GaussDB(DWS) Cluster O&M
          • GAUSS-00551 -- GAUSS-00560 - GaussDB(DWS)

            GAUSS-00551 -- GAUSS-00560 - GaussDB(DWS)

            CREATE OR REPLACE VIEW myview as select b,a from tbl1; ERROR: cannot change name of view column "a" to "b" In this case, you can delete the original view and create a new view.

            Help > GaussDB(DWS) > 8.2.0 and earlier versions > Data Warehouse Service Error Codes > GAUSS-00501 -- GAUSS-00600
          • What Are the Differences Between GaussDB(DWS) Functions and Stored Procedures? - GaussDB(DWS)

            What Are the Differences Between GaussDB(DWS) Functions and Stored Procedures? - GaussDB(DWS)

            all matches that a specified player participates in. 1 2 3 4 5 6 CREATE PROCEDURE delete_matches(IN p_playerno INTEGER) AS BEGIN DELETE FROM MATCHES WHERE playerno = p_playerno; END; / Invoke the stored procedure delete_matches. 1 CALL delete_matches(57); Query the MATCHES

            Help > GaussDB(DWS) > User Guide(ME-Abu Dhabi Region) > FAQs > Database Use
          • How Do I View the Table Permissions of a GaussDB(DWS) User? - GaussDB(DWS)

            How Do I View the Table Permissions of a GaussDB(DWS) User? - GaussDB(DWS)

            The value can be SELECT, INSERT, UPDATE, DELETE, TRUNCATE, REFERENCES, ANALYZE, VACUUM, ALTER, DROP, or TRIGGER. is_grantable yes_or_no Indicates if the permission can be granted to other users.

            Help > GaussDB(DWS) > User Guide(ME-Abu Dhabi Region) > FAQs > Account Permissions
          • What Are the Differences Between GaussDB(DWS) Functions and Stored Procedures? - GaussDB(DWS)

            What Are the Differences Between GaussDB(DWS) Functions and Stored Procedures? - GaussDB(DWS)

            all matches that a specified player participates in. 1 2 3 4 5 6 CREATE PROCEDURE delete_matches(IN p_playerno INTEGER) AS BEGIN DELETE FROM MATCHES WHERE playerno = p_playerno; END; / Invoke the stored procedure delete_matches. 1 CALL delete_matches(57); Query the MATCHES

            Help > GaussDB(DWS) > FAQs > Database Use
          • How Do I View the Table Permissions of a GaussDB(DWS) User? - GaussDB(DWS)

            How Do I View the Table Permissions of a GaussDB(DWS) User? - GaussDB(DWS)

            The value can be SELECT, INSERT, UPDATE, DELETE, TRUNCATE, REFERENCES, ANALYZE, VACUUM, ALTER, DROP, or TRIGGER. is_grantable yes_or_no Indicates if the permission can be granted to other users.

            Help > GaussDB(DWS) > FAQs > Account Permissions
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