摘要:
select b.did, b.did -1 + (8 - b.did) / 7 * 7 from (select 1 as did union select 2 as did union select 3 as did union select 4 as did union select 5 as did union select 6 as did union select 7 as did... 阅读全文
posted @ 2005-03-12 18:05 伯乐共勉 阅读(595) 评论(0) 推荐(0) 编辑