我正在尝试更新我的表“招标”。SQL服务器更新错误 - 消息2627
它有这些列:
- 征用没有(rq_no)
- 征用年(rq_year)
- 招标编号(te_no)
- te_date
- TE-DUE_DATE
- 招标状态(te_status)
- te_year
我尝试下面的代码:
update tender
set te_status='D'
where rq_no like 'Q052401C' AND te_year like '2012' and te_no like 'n0066'
如果我把代替'D'
任何其他字符中te_status
,更新是除了 'd' 例如成功:
set te_status='S'
当我跑
SELECT * FROM TENDER
WHERE
rq_no LIKE 'Q052401C' AND te_year LIKE '2012' AND te_no LIKE 'n0066'
,它retu只有一行。
Ιt显示我下面的错误:
Msg 2627, Level 14, State 1, Line 1 Violation of PRIMARY KEY constraint 'PK_tender'. Cannot insert duplicate key in object 'dbo.tender'. The duplicate value is (N0066, Q052401C, D, 2012) The statement has been terminated.
是什么这一切意味着什么呢?