A backfill operation should not occur when a user creates a new column on a table, and specifies the default value to be null. A backfill does not occur if the user performs a command such as "ALTER ...

When trying to execute the following query in H2 database it fails. However, the same query works in mariadb 10.2 ALTER TABLE employee ADD COLUMN IF NOT exists salary INT(11) NOT NULL, ADD COLUMN IF ...

Alter Table dbo.Customers Add PERIOD FOR SYSTEM_TIME (StartTime, EndTime), StartTime datetime2 GENERATED ALWAYS AS ROW START HIDDEN Not Null Default ... Some things are taken care of for you: If you ...