Table turnover rates indicate the load on your database and impact performance.
The following tables normally have the highest rate of insert, update, and delete operations:
pr_sys_locks– Locked records
pc_history_work– Work item history
The following tables normally have a low rate of insert, update, and delete operations:
pr_other– Empty unless your system has instances of classes without an associated Data-Admin-DB-Table instance.
pr4_base– Foundation rules