}
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  • jierry 评论博客：SQL点滴25—T-SQL面试语句，练练手 2011-10-09 10:33
    (select top 1 value from #table2 t where t.id=@id)
    update @table1 set value+=@value where id=@id
    if @@rowcount=0
    begin
    insert into @table1 values (@id,@value)
    end
    delete from #table2 where id=@id and value=@value
    end
    select * from @table1 t...
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