8.4 :
8.5 No 1 : insert into replicate_log (`event_time`,`client`,`sql`) values (current_timestamp,'MON1','update serial set serial_no = 40 where name =\'app_storage_id\'')
8.6 No 2 : UNLOCK TABLES
8.7 No 3 : select serial_no from serial where name='app_storage_id'
8.8 DBMS Variables :
8.9 :