SQL Error:An aggregate may not appear in the set list of an UPDATE statement.
2010-01-08 13:38
1196 查看
原来sql语句：
update [dbo].[TableA]
set ColumnA=Count(*)
from [dbo].[TableB]
改后：
update [dbo].[TableA]
set ColumnA=tmpTable.ColumnB
from(
select Count(*) as ColumnB
from [dbo].[TableB]
)tmpTable
update [dbo].[TableA]
set ColumnA=Count(*)
from [dbo].[TableB]
改后：
update [dbo].[TableA]
set ColumnA=tmpTable.ColumnB
from(
select Count(*) as ColumnB
from [dbo].[TableB]
)tmpTable
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