If your target tables have been defined with a primary key or unique index, you can use the auto-detect feature of the Connect CDC (SQData) Engine to identify and use the primary keys on the target, otherwise, you will need to specify the target keys.
Since the target tables have primary keys defined you may press F3 to generate the replication script.
If however you find that one or more of the tables to be replicated is missing a Primary key or Unique Index as seen below;
Proceed to the next page.