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DELETE DELETE (short key abbreviated as DEL) is an ANSI-compliant SQL syntax operator used to delete existing records from a table. DSC supports the Teradata DELETE statement and its short key DEL.
DELETE Function Delete data from an HStore table. Precautions To delete all the data from a table, you are advised to use the TRUNCATE syntax to improve performance and reduce table bloating.
DELETE Function Delete data from an HStore table. Precautions To delete all the data from a table, you are advised to use the TRUNCATE syntax to improve performance and reduce table bloating.
DELETE Function Delete data from an HStore table. Precautions To delete all the data from a table, you are advised to use the TRUNCATE syntax to improve performance and reduce table bloating.
WHERE ca_address_sk in (14891,14893,14895); Delete all data in customer_address_bak: 1 DELETE FROM customer_address_bak; Parent topic: DML Syntax
< 14888; Delete the employees whose ca_address_sk is 14891, 14893, and 14895 from tpcds. customer_address_bak: 1 DELETE FROM tpcds.customer_address_bak WHERE ca_address_sk in (14891,14893,14895); Delete all data in the tpcds.customer_address_bak table: 1 DELETE FROM tpcds.customer_address_bak
< 14888; Delete the employees whose ca_address_sk is 14891, 14893, and 14895 from tpcds. customer_address_bak: 1 DELETE FROM tpcds.customer_address_bak WHERE ca_address_sk in (14891,14893,14895); Delete all data in the tpcds.customer_address_bak table: 1 DELETE FROM tpcds.customer_address_bak
TRUNCATE, DELETE, and DROP are different in that: TRUNCATE TABLE deletes content, releases space, but does not delete definitions. DELETE TABLE deletes content, but does not delete definitions or release space. DROP TABLE deletes content and definitions, and releases space.
If such a session exists, find the machine that connects to the database, disconnect the connection, and delete the database. Handling Procedure Using the SQL client tool to connect to the database.
TRUNCATE, DELETE, and DROP are different in that: TRUNCATE TABLE deletes content, releases space, but does not delete definitions. DELETE TABLE deletes content, but does not delete definitions or release space. DROP TABLE deletes content and definitions, and releases space.
Delete redundant data and retain one of them. Method 1: Use the aggregate function min(expr). Use aggregate functions to obtain non-duplicate rows with the smallest ID through subqueries, and then use NOT IN to delete duplicate data.
Symptom You need to check for update and delete operations on a table in either of the following scenarios: Frequent update or delete operations on a table generate a large number of disk page fragments and affect query performance.
DROP USER Function Deleting a user will also delete the schema having the same name as the user. Precautions CASCADE is used to delete objects (excluding databases) that depend on the user.
DROP USER Function Deleting a user will also delete the schema having the same name as the user. Precautions CASCADE is used to delete objects (excluding databases) that depend on the user.
DROP USER Function Deleting a user will also delete the schema having the same name as the user. Precautions CASCADE is used to delete objects (excluding databases) that depend on the user.
You can delete several rows that match the specified condition or delete all the rows from a table.
In the Operation column of the snapshot that you want to delete, choose More > Delete. You can only delete snapshots that were manually created. If the information is correct, enter DELETE and click OK to delete the snapshot. Parent topic: Manual Snapshots
Precautions To delete an overloaded function, you must specify the function's parameter type. For non-overloaded functions, you can delete them by just specifying the function name.
Precautions To delete an overloaded function, you must specify the function's parameter type. For non-overloaded functions, you can delete them by just specifying the function name.
GAUSS-00612: "current user cannot be dropped" SQLSTATE: 55006 Description: DROP ROLE cannot be used to delete the user. Solution: Do not delete the schema.
