CRM/DedupeDedupeExceptioncivicrm_dedupe_exceptionDedupe exceptions3.3 id int unsigned true Unique dedupe exception id Number 3.3 id true contact_id1 int unsigned FK to Contact ID First Dupe Contact 3.3 TRUE contact_id1 civicrm_contact id 3.3 CASCADE contact_id2 int unsigned FK to Contact ID Second Dupe Contact 3.3 TRUE contact_id2 civicrm_contact id 3.3 CASCADE UI_contact_id1_contact_id2 contact_id1 contact_id2 true 3.3