stop slave; drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9; reset master; reset slave; drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9; start slave; ==== Test Without sql_mode=strict_trans_tables ==== [on master] create table t1 (n int not null primary key); [on slave] insert into t1 values (1); [on master] insert into t1 values (1); insert into t1 values (2),(3); [on slave] select * from t1 order by n; n 1 2 3 ==== Test With sql_mode=strict_trans_tables ==== insert into t1 values (7),(8); [on master] set sql_mode=strict_trans_tables; insert into t1 values (7), (8), (9); [on slave] select * from t1 order by n; n 1 2 3 7 8 SHOW SLAVE STATUS; Slave_IO_State # Master_Host 127.0.0.1 Master_User root Master_Port MASTER_PORT Connect_Retry 1 Master_Log_File master-bin.000001 Read_Master_Log_Pos # Relay_Log_File # Relay_Log_Pos # Relay_Master_Log_File master-bin.000001 Slave_IO_Running Yes Slave_SQL_Running Yes Replicate_Do_DB Replicate_Ignore_DB Replicate_Do_Table Replicate_Ignore_Table # Replicate_Wild_Do_Table Replicate_Wild_Ignore_Table Last_Errno 0 Last_Error Skip_Counter 0 Exec_Master_Log_Pos # Relay_Log_Space # Until_Condition None Until_Log_File Until_Log_Pos 0 Master_SSL_Allowed No Master_SSL_CA_File Master_SSL_CA_Path Master_SSL_Cert Master_SSL_Cipher Master_SSL_Key Seconds_Behind_Master # Master_SSL_Verify_Server_Cert No Last_IO_Errno # Last_IO_Error # Last_SQL_Errno 0 Last_SQL_Error ==== Clean Up ==== drop table t1; create table t1(a int primary key); insert into t1 values (1),(2); delete from t1 where @@server_id=1; Warnings: Warning 1592 Statement is not safe to log in statement format. set sql_mode=strict_trans_tables; insert into t1 values (7), (8), (9); [on slave] select * from t1; a 1 2 7 8 9 SHOW SLAVE STATUS; Slave_IO_State # Master_Host 127.0.0.1 Master_User root Master_Port MASTER_PORT Connect_Retry 1 Master_Log_File master-bin.000001 Read_Master_Log_Pos # Relay_Log_File # Relay_Log_Pos # Relay_Master_Log_File master-bin.000001 Slave_IO_Running Yes Slave_SQL_Running Yes Replicate_Do_DB Replicate_Ignore_DB Replicate_Do_Table Replicate_Ignore_Table # Replicate_Wild_Do_Table Replicate_Wild_Ignore_Table Last_Errno 0 Last_Error Skip_Counter 0 Exec_Master_Log_Pos # Relay_Log_Space # Until_Condition None Until_Log_File Until_Log_Pos 0 Master_SSL_Allowed No Master_SSL_CA_File Master_SSL_CA_Path Master_SSL_Cert Master_SSL_Cipher Master_SSL_Key Seconds_Behind_Master # Master_SSL_Verify_Server_Cert No Last_IO_Errno # Last_IO_Error # Last_SQL_Errno 0 Last_SQL_Error ==== Clean Up ==== drop table t1;