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1    Ò»        100  200    300
2    ¶þ        333  111          444
3    Èý        44    55                99


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declare newCursor Cursor for select id,subject from sales

open newCursor
fetch next from newCursor into @id,@name

while @@fetch_status = 0
begin
    set @Sql1 = 'update sales set ' + @name + '= shu + liang  where id=' + @id
    exec sp_


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