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DECLARE @s NVARCHAR(4000)
SET @s = ''
SELECT @s = @s + ',' + 'isnull('+QUOTENAME(name)+','''')'
FROM syscolumns
WHERE id = OBJECT_ID('表名')
--AND name NOT IN ( '不希望显式的列' )
SET @s = STUFF(@s, 1, 1, '')
EXEC('select '+@s+' from 表名 ')
问题2:
select * into #t from a where id in (1,3)
update a
set a.状态=t.状态
from #t t
where a.id=t.id