drop table if exists t1; create table t1(a int); insert into t1 values(1); ERROR at line 9: DELIMITER must be followed by a 'delimiter' character or string Test default delimiter ; a 1 Test delimiter without arg Test delimiter : a 1 Test delimiter : a 1 Test delimiter :; a 1 Test delimiter // a 1 Test delimiter MySQL a 1 Test delimiter delimiter a 1 Tables_in_test t1 t2 t3 Test delimiter : from command line a 1 Test delimiter :; from command line a 1 Test 'go' command(vertical output) G *************************** 1. row *************************** a: 1 Test 'go' command g a 1 drop table t1; create table t1(a int); lock tables t1 write; database() test unlock tables; drop table t1;