How does contact history relate to database and system tables?

Contact history tables, which must exist in the Unica Campaign system database, store historical contacts for each audience level.

The Customer audience level is delivered as an example, and the history of contacts targeting customers can be stored in the UA_ContactHistory in the Unica Campaign system database. Detailed history for the Customer audience level can be stored in the UA_DtlContactHist table.

If you create an additional audience level, you must create the contact history and detailed contact history tables and related indexes for it in the Unica Campaign system database. You can use the tables for the example Customer audience level as templates.

After you create the tables in the Unica Campaign system database for a new audience level, you must map the new tables for the audience level's contact history and detailed contact history.