If your pc_work table contains cases from two or more unrelated applications, segregate cases into a dedicated table.
If you created the applications using New Application wizard, each work pool has a dedicated table named pc_ZZZZZ_Work and you do not have to segregate cases into a dedicated table.
pc_work table. Be certain to update the CONSTRAINT element in the new table to reference itself, not the old pc_work table.pc_history_work table.pcv4_assignment_summary and pcv4_assignmentwb_summary and adjust them to reference the new tables.