63
63
explain select t1.id,t2.id from t2 left join t1 on t1.id>=74 and t1.id<=0 where t2.id=75 and t1.id is null;
64
64
id select_type table type possible_keys key key_len ref rows Extra
65
65
1 SIMPLE t2 ALL NULL NULL NULL NULL 3 Using where
67
67
explain select t1.id, t2.id from t1, t2 where t2.id = t1.id and t1.id <0 and t1.id > 0;
68
68
id select_type table type possible_keys key key_len ref rows Extra
69
69
1 SIMPLE t2 ALL NULL NULL NULL NULL 3 Using where