-1
Create Table Active1 (Name Varchar(20), ID int IDENTITY(1,1))
Select * from Active1
NAME ID
-------------------- ----------------------
vj 102
vj 103
vj 104
vj 105
vj 106
swami 108
swami 109
需要输出对于
如何获得ID字段中的最大值并将该值设置为同名(列)值,动态可能吗?
vj 106
vj 106
vj 106
vj 106
vj 106
vj 106
vj 106
vj 106
vj 106
swami 108
swami 109
(动态获取和更新值)
Update Active1 SET ID=(select MAX(ID) from Active1 where Name = (select NAME from Active1) group by name HAVING count(name) > 1);
Update Active1 SET ID=(select MAX(ID) from Active1) where name= 'select NAME from Active1' where name= 'select NAME from Active1';
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