standbyDelayTime

Use this attribute to specify a time in minutes for the delay in standby sync. If the source is an Oracle Active Data Guard standby database, use this attribute to specify the time lag between primary and standby databases.

In DMS, you can create an Oracle CDC task that uses an Active Data Guard standby instance as a source for replicating ongoing changes. Doing this eliminates the need to connect to an active database that might be in production.