Table1:
No Name
1 ceshi1
2 ceshi2
Table 2:
No Name
1 test1
2 test2
怎么根据 “No”,将表Table1的Name列,更新为Table2的Name列???
------解决思路----------------------
UPDATE T1
SET Name=T2.Name
FROM Table1 T1
JOIN Table2 T2 ON T1.No=T2.No
------解决思路----------------------
--参考下:
UPDATE T1 SET Name=T2.Name FROM Table1 T1
where exists(select * from T2 where NO=T1.NO )
------解决思路----------------------
个人的意见参考下面
UPDATE Table1
SET Name=T2.Name
FROM Table1 T1
JOIN Table2 T2 ON T1.No=T2.No
------解决思路----------------------
update from语法