3
3
insert into t1 values ("a"),("abc"),("abcd"),("hello"),("test");
4
4
explain extended select * from t1 where a like 'abc%';
5
5
id select_type table type possible_keys key key_len ref rows filtered Extra
9
9
explain extended select * from t1 where a like concat('abc','%');
10
10
id select_type table type possible_keys key key_len ref rows filtered Extra
14
14
select * from t1 where a like "abc%";