也许是离开t-sql太久了,突然发现很多t-sql的奇特语法
用一句sql解决多种排序:
declare @flag int=0;
SELECT C1, C2
FROM T ORDER BY
CASE WHEN @flag = 1 THEN C1 END ASC,
CASE WHEN @flag = 0 THEN C1 END DESC
插入N行数据(省得每行数据写一遍insert ... values了):
insert into t (C1, C2)
values
(1,1),
(2,2),
...
(N-1,N-1),
(N,N)