摘要： 先来对比两段分页SQL，假设条件：news表有15万记录，NewsTypeId=10有9万记录，当前查询NewsTypeID=10。那么，你会认为哪个SQL效率会高呢？--代码一DECLARE @cc INTSELECT NewsId,ROW_NUMBER() OVER(ORDER BY SortNum DESC) AS RowIndex INTO #tb FROM news WITH(NOLOCK) WHERE NewsTypeId=@NewsTypeId AND IsShow=1SET @cc = @@ROWCOUNTSELECT n.* FROM news AS n WITH(NOLOC 阅读全文