UNREGISTER MIGRATION SOURCE STORAGE UNIT

Description

The UNREGISTER MIGRATION SOURCE STORAGE UNIT syntax is used to unregister migration source storage unit from the current connection

Syntax

Grammar Railroad diagram

UnregisterMigrationSourceStorageUnit ::=
  'UNREGISTER' 'MIGRATION' 'SOURCE' 'STORAGE' 'UNIT' storageUnitName  (',' storageUnitName)* 
storageUnitName ::=
  identifier

Supplement

• UNREGISTER MIGRATION SOURCE STORAGE UNIT will only unregister storage unit in Proxy, the real data source corresponding to the storage unit will not be dropped;

Example

• Drop a migration source storage unit

UNREGISTER MIGRATION SOURCE STORAGE UNIT ds_0;

• Drop multiple migration source storage units

UNREGISTER MIGRATION SOURCE STORAGE UNIT ds_1, ds_2;

Reserved word

UNREGISTER、MIGRATION、SOURCE、STORAGE、UNIT

Related links

• Reserved word