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DBMS_LOB.FREETEMPORARY is used to delete the temporary LOB and its index.
DML statements are recorded, including: the execution of SELECT, INSERT, UPDATE, and DELETE the execution of EXPLAIN ANALYZE and EXPLAIN PERFORMANCE the use of the query-level or perf-level views The entry statements for invoking functions and stored procedures are recorded.
last modification time of an index, this syntax cannot be recorded. 1 2 ALTER INDEX [ IF EXISTS ] index_name RENAME PARTITION index_partition_name TO new_index_partition_name; Add and modify the index comment. 1 2 ALTER INDEX [ IF EXISTS ] index_name COMMENT 'text'; Delete
Do not put too many files under a data directory, and delete expired files in a timely manner. Properly plan the character set of the target database. You are advised to use UTF8 instead of the SQL_ASCII characters which can easily incur mixed encoding.
If an error occurs during table creation, after it is fixed, the system may fail to delete the empty disk files created before the last automatic clearance. This problem seldom occurs.
DELETING_NODE: Delete a node. DELETE_NODE_FAILED: Failed to delete the node. REDISTRIBUTING REDISTRIBUTE_FAILURE: Redistribution failed. WAITING_REDISTRIBUTION: Waiting to be redistributed REDISTRIBUTION_PAUSED: Redistribution is paused. ELB_BINDING: ELB is being bound.
To use EXPLAIN ANALYZE on an INSERT, UPDATE, DELETE, CREATE TABLE AS, or EXECUTE statement without letting the command affect your data, you can place it in a transaction and roll back it after the analysis is complete. 1 2 3 START TRANSACTION; EXPLAIN ANALYZE ...; ROLLBACK; TRUE
A share lock blocks other transaction from performing UPDATE, DELETE, or SELECT FOR UPDATE on these rows, but it does not prevent them from performing SELECT FOR SHARE.
If you delete these values from the postgresql.conf file, the server will inherit the settings from its execution environment.
Add or delete CN nodes. Add nodes. Add disk capacity. If the yearly/monthly GaussDB(DWS) is not renewed after the grace period ends, its status turns to Frozen and it enters a retention period. You cannot perform any operations on the ECS while it is in the retention period.
DML operations Whether to record INSERT, UPDATE, and DELETE operations on tables. This parameter is disabled by default. NOTE: 8.1.1.100 and later versions support fine-grained splitting of audit items, and the COPY and MERGE options are added.
Enabling this parameter for a session with temporary tables will delete the temporary table data on DNs and prevent further actions on those tables. comm_quota_size Parameter description: Specifies the maximum size of packets that can be continuously sent by the communication library
2 3 4 5 6 7 8 9 10 CREATE OR REPLACE PROCEDURE package_func_overload(col int, col2 out varchar) PACKAGE AS DECLARE col_type text; BEGIN col2 := '122'; dbms_output.put_line('two varchar parameters ' || col2); END; / Helpful Links For details about how to delete
Return type: timestamptz pg_stat_set_last_data_changed_time(oid) Description: Manually changes the time when INSERT, UPDATE, DELETE, or EXCHANGE/TRUNCATE/DROP PARTITION was performed last time.
-c, --clean Runs SQL statements to delete databases before rebuilding them. Statements for dumping roles and tablespaces are added. -g, --globals-only Dumps only global objects (roles and tablespaces) but no databases.
You can also add, delete, or modify security group rules in the current security group. Changing the security group of a cluster may cause brief service disruption. Exercise caution when performing this operation.
Notes: Simple query jobs (which are estimated to require less than 32 MB memory) and non-DML statements (statements other than INSERT, UPDATE, DELETE, and SELECT) have no adaptive load restrictions.
When you run the DROP PARTITION command to delete a partition, the data in the partition is also deleted. Use PARTITION FOR() to choose partitions.
You must export data before you delete clusters. HDFS is recommended for computing-intensive scenarios. The single-node cluster (standalone) does not support an HDFS foreign table.
Currently, the following operations are allowed: Create Expand Restart Delete Shrink progress Integer Operation progress.
