遍历数据库所有表，将是datetime类型的列的值进行更新

declare @tablename nvarchar(80)
declare @cloumn nvarchar(80)
declare @sql nvarchar(400)
declare c1 cursor scroll for
select table_name,column_name from information_schema.columns where DATA_TYPE='datetime'
open c1
fetch first from c1 into @tablename,@cloumn
while @@fetch_status=0
begin

set @sql='update '+@tablename+' set '+@cloumn+'=DATEADD(yy,10,'+@cloumn+') where '+@cloumn+' is not null';
exec (@sql)
fetch next from c1 into @tablename,@cloumn
end
close c1

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