16
14
select 1, 1.0, -1, "hello", NULL;
18
create table t1 (a int, b int, c mediumint, d int, e bigint, f float(3,2), g double(4,3), h decimal(5,4), i year, j date, k timestamp, l datetime, m enum('a','b'), n set('a','b'), o char(10));
16
create table t1 (a int, b int, c int, d int, e bigint, f float(3,2), g double(4,3), h decimal(5,4), j date, k timestamp, l datetime, m enum('a','b'), n char(10));
20
18
select a b, b c from t1 as t2;