2173
2173
create table t1 (f1 int not null auto_increment primary key, f2 varchar(10));
2174
2174
create table t11 like t1;
2175
2175
insert into t1 values(1,""),(2,"");
2177
2177
show table status like 't1%';
2178
2178
select 123 as a from t1 where f1 is null;