The STOP SYNCHRONIZATION SCHEMA CHANGE statement stops a schema change started by a START SYNCHRONIZATION SCHEMA CHANGE statement.
All locks obtained by the START SYNCHRONIZATION SCHEMA CHANGE statement are released.
The following sequence of SQL statements illustrates how to use START SYNCHRONIZATION SCHEMA CHANGE and STOP SYNCHRONIZATION
SCHEMA CHANGE:
START SYNCHRONIZATION SCHEMA CHANGE
ON DBA.Sales, DBA.Products
SET SCRIPT VERSION = 'version 2';
ALTER TABLE DBA.Sales ADD SUBTOTAL NUMERIC (10,2);
ALTER TABLE DBA.Products ALTER QUANTITY BIGINT;
STOP SYNCHRONIZATION SCHEMA CHANGE;