Creates staging tables for the identified records and stages the keys.
Identifies top-most transactional tables in the data set version.
For each record in a top-most transactional table in the target, if a record exists in the data set version, TDM marks the record in the staging table.
Runs an SQL script to cascade mark records in the staged tables for deletion. If a parent record is marked for deletion, TDM marks the child record for deletion.
Checks if recovery is enabled for the reset operation and that the user name and prefix information are available.
If the recovery option is enabled and the prefix information provided, TDM performs the following tasks. If the recovery option is not enabled, TDM skips this step.
Creates temporary tables in the backup schema and then moves records from the staging area to the backup schema.
Stores a backup of all records marked for deletion in the backup tables in the backup schema. TDM runs an SQL script to back up the tables and uses the naming convention