2952
2952
SELECT a, c, d, f FROM t1,t2 WHERE a=c AND b BETWEEN 4 AND 6;
2953
2953
id select_type table type possible_keys key key_len ref rows Extra
2954
2954
1 SIMPLE t1 range PRIMARY,b b 5 NULL 3 Using where; Using index
2957
2957
SELECT a, c, d, f FROM t1,t2 WHERE a=c AND b BETWEEN 4 AND 6 AND a > 0;
2958
2958
id select_type table type possible_keys key key_len ref rows Extra
2959
2959
1 SIMPLE t1 range PRIMARY,b b 5 NULL 3 Using where; Using index
2963
2963
a int not null auto_increment primary key,