oracle 空置排在最后显示
时间:2022-03-14 04:10
nulls last
1 select * from emp order by comm
1 select * from emp order by comm desc
select * from emp order by comm nulls last
时间:2022-03-14 04:10
nulls last
1 select * from emp order by comm
1 select * from emp order by comm desc
select * from emp order by comm nulls last