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statement.executeQuery(selectQuery); while (resultSet.next()) { int id = resultSet.getInt("id"); String name = resultSet.getString("name"); System.out.println("id: " + id + ", name: " + name); } // Delete
For security purposes, you are advised to delete sensitive information before clicking Save and enter the required username and password again when using ODBC APIs to connect to the database. Enable the SSL mode. Change the value of SSL Mode in 3 to require.
INSERT INTO, UPDATE INTO, DELETE INTO and EXECUTION INTO cannot return an empty result set. Multiple variables are failed to be assigned values because the syntax of the subsequent variables is incorrect. Parent topic: Basic Statements
For security purposes, you are advised to delete sensitive information before clicking Save and enter the required username and password again when using ODBC APIs to connect to the database. Enable the SSL mode. Change the value of SSL Mode in 3 to require.
You can create a CEK, change the client master key specified by a CEK, and delete a CEK. For details about related SQL statements, see Table 1.
For security purposes, you are advised to delete sensitive information before clicking Save and enter the required username and password again when using ODBC APIs to connect to the database. Enable the SSL mode. Change the value of SSL Mode in 3 to require.
Manual backups will not be automatically deleted but you can delete them manually. Policy for automatically deleting automated full backups: To ensure data integrity, even after the retention period expires, the most recent backup will be retained.
*/ gaussdb=# SELECT * FROM logs_nchar WHERE log_id = RPAD(TRIM('FE306991300002 '),16,' '); log_id | log_message --------+------------- (0 rows) /* Delete the table. */ gaussdb=# DROP TABLE logs_nchar; Compare the bpchar type with the text type (the pkg_bpchar_opc extension
In the multi-tenancy scenario, non-PDB can delete replication slots for both non-PDB and PDB, while PDB can only delete replication slots for itself. Parameters: slot_name Indicates the name of the streaming replication slot.
A shared lock blocks other transaction from executing UPDATE, DELETE, or SELECT FOR UPDATE on these rows, but it does not prevent them from executing SELECT FOR SHARE.
If there are few update or delete operations in the database environment, you can set this parameter to a long interval to reduce the overhead of the automatic cleanup thread.
UPDATE/DELETE If the foreign key data type is timestamp or datetime, an error is reported for attempts to perform UPDATE or DELETE on a foreign table, but such operations are allowed in MySQL.
ON COMMIT { PRESERVE ROWS | DELETE ROWS } ON COMMIT determines what to do when you commit a temporary table creation operation. Currently, the PRESERVE ROWS and DELETE ROWS options are supported. PRESERVE ROWS (default): No special action is taken at the ends of transactions.
MAXVALUE) ) ENABLE ROW MOVEMENT; CREATE TABLE gaussdb=# INSERT INTO tpcds.web_returns_p2 SELECT * FROM tpcds.customer_address; INSERT 0 0 Modify the row movement attributes of the partitioned table. 1 2 gaussdb=# ALTER TABLE tpcds.web_returns_p2 DISABLE ROW MOVEMENT; ALTER TABLE Delete
MAXVALUE) ) ENABLE ROW MOVEMENT; CREATE TABLE gaussdb=# INSERT INTO tpcds.web_returns_p2 SELECT * FROM tpcds.customer_address; INSERT 0 0 Modify the row movement attributes of the partitioned table. 1 2 gaussdb=# ALTER TABLE tpcds.web_returns_p2 DISABLE ROW MOVEMENT; ALTER TABLE Delete
To repair the file, you need to delete the file whose size is 0 and then repair it. You can delete a file only after the file descriptor is automatically closed. You can manually restart the process or perform a primary/standby switchover.
GaussDB supports only nested tables. 3 delete[(idx1[, idx2])] Supported. - 4 trim[(n)] Supported, with differences.
Instead, they clear and delete the tuple only after a certain number of transactions have been processed. Parameter type: Integer Unit: None Value range: 0 to 1000000. 0 indicates no delay. Default value: 0 Setting method: This is a SIGHUP parameter.
mediumblobtest', 'longblobtest'); -- Query data in the table. gaussdb_m=# SELECT * FROM t1; num | a | b | m | l -----+--------------+----------+----------------+-------------- 1 | tinyblobtest | blobtest | mediumblobtest | longblobtest (1 row) -- Delete
INSERT INTO, UPDATE INTO, DELETE INTO, and EXECUTION INTO cannot return an empty result set. Multiple variables are not assigned values because the syntax of the subsequent variables is incorrect. BULK COLLECT INTO can be used only in the A-compatible database.
