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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.
The basic process is as follows: Prerequisites Step 1: Migrating Metadata Step 2: Migrating Table Data Step 3: Verifying Data Consistency Figure 1 ADB migration Notes and Constraints If DELETE or UPDATE operations occur during CDM migration, data consistency cannot be guaranteed afterward
The preset data masking administrator has the authority to create, modify, and delete data masking policies. Audit logs can record objects that are deleted in cascading mode. Audit logs can be dumped to OBS.
exmp_tb2" ("tb2_id","tb2_price","tb2_note","tb2_date") VALUES (13,DEFAULT,DEFAULT,DEFAULT); VALUES MySQL REPLACE supports a statement to insert or delete multiple values, separated by commas. Input 1 2 3 4 5 # If data is available, replacement will be performed.
If this parameter is set, it is enabled. null Table 4 connector parameters Parameter Description Default Value ignoreDelete Whether to ignore delete in Flink tasks. false (The default value is true before 1.0.10.) ignoreNullWhenUpdate Whether to ignore the update of columns with null
CheckDDL Start a transaction to delete schemas and tables. If the transaction can be committed, the inspection passes. Otherwise, the inspection fails. CheckTimeZone The inspection passes if all nodes in the cluster use the same time zone, and fails if they do not.
This parameter is not available to temporary tables with the ON COMMIT [DELETE ROWS|DROP] option. If you need the statistics, manually perform the analyze operation.
For example, ddl_sequence indicates that the audit type is sequence-related operations. dml_action_insert/dml_action_delete/dml_action_update/dml_action_merge/dml_action_select Indicates that the audit type is DML operations such as INSERT, DELETE, UPDATE, and MERGE. internal_event
You can only add data to the database, not delete it. All fields in the added data must match. 2. If RETRY_MAX_TIMES is 1 and no client retries occur, data streams directly to the GaussDB(DWS) database, saving client memory by avoiding batch processing.
Such access is cross-cluster. junk tuple A tuple that is deleted using the DELETE and UPDATE statements. When deleting a tuple, GaussDB(DWS) only marks the tuples that are to be cleared.
Format: no_merge (current query) and no_merge(relid) (specified object). 3 DML hints Added support for hints in INSERT, UPDATE, MERGE, and DELETE statements. 4 AGG redistribution hints support specified column names. Column names can be specified for AGG redistribution hints.
You can also add, delete, or modify security group rules in the current security group. For details, see Modifying a Security Group. Changing the security group of a cluster may cause brief service disruption. Exercise caution when performing this operation.
sequence Waiting for GTM to create a sequence. gtm alter sequence Waiting for GTM to modify a sequence. gtm get sequence val Waiting for obtaining the next value of a sequence from GTM. gtm set sequence val Waiting for GTM to set a sequence value. gtm drop sequence Waiting for GTM to delete
You can query the following parameters to view related information: Use the disk_cache_base_paths parameter to view, add, or delete cache disk paths. Use the disk_cache_max_size parameter to view and adjust the disk cache size.
