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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.
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
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.
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
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.
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.
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.
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.
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.
If DELETE or UPDATE operations occur during CDM migration, data consistency cannot be guaranteed afterward. Re-migration will be required in such cases. For large table data, migrate the data in slices. A single database migration job can migrate only one database at a time.
If this parameter is set to true or on, the GDS process will automatically delete a named pipe file. If this parameter is set to false or off, the GDS process will not delete a named pipe file. NOTICE: When setting del_pipe, set file_type to pipe or interconn.
allows users to delete data from specified tables.
In this case, run DROP FOREIGN TABLE order01 to delete the foreign table, create a foreign table again, and run the following statement to import data again. 1 INSERT INTO orders SELECT * FROM orders01; Repeat the preceding steps to log in to the destination cluster dws-demo02 and
example): Remove the association between the current sequence and the target table. 1 2 ALTER SEQUENCE mytable_b_seq owned by none; ALTER TABLE mytable alter b drop default; Record the current sequence value as the start value of the new sequence. 1 SELECT nextval('mytable_b_seq'); Delete
Materialized views do not allow INSERT, UPDATE, MERGE INTO, or DELETE operations. The result of each query to the materialized view saved to ensure that the query results are the same each time.
A common user cannot create, modify, delete, or assign tablespaces, and needs to be assigned the permission for accessing tablespaces.
