SQL Server分页的方法有哪些
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方法一:(最常用的分页代码, top / not in)
SELECT TOP 3 [SalesOrderID], [RevisionNumber], [OrderDate] FROM [AdventureWorks2012].[Sales].[SalesOrderHeader] WHERE [SalesOrderID] NOT IN ( SELECT TOP 15 [SalesOrderID] FROM [AdventureWorks2012].[Sales].[SalesOrderHeader] ORDER BY [SalesOrderID] ) ORDER BY SalesOrderID;
备注: 注意前后的order by 一致
方法二:排名开窗函数 (row_number() over (order by ))
SELECT [SalesOrderID], [RevisionNumber], [OrderDate] FROM ( SELECT [SalesOrderID], [RevisionNumber], [OrderDate] , ROW_NUMBER() OVER ( ORDER BY SalesOrderID ) AS rowid FROM [AdventureWorks2012].[Sales].[SalesOrderHeader] ) cte WHERE rowid BETWEEN 16 AND 18;
方法三:(offset /fetch next, SQL Server 2012支持,性能最好!)
SELECT [SalesOrderID], [RevisionNumber], [OrderDate] FROM [AdventureWorks2012].[Sales].[SalesOrderHeader] ORDER BY SalesOrderID OFFSET 15 ROW FETCH NEXT 3 ROWS ONLY;
总结:利用变量进行分页
DECLARE @page INT, @size INT, @Total INT; SELECT @page = 3, @size = 10; --当前页面为3,页面大小为10 -------方法一 SELECT TOP ( @size ) [SalesOrderID], [RevisionNumber], [OrderDate] FROM [AdventureWorks2012].[Sales].[SalesOrderHeader] WHERE [SalesOrderID] NOT IN ( SELECT TOP (( @page - 1 ) * @size ) [SalesOrderID] FROM [AdventureWorks2012].[Sales].[SalesOrderHeader] ORDER BY [SalesOrderID] ) ORDER BY SalesOrderID; -------方法二 SELECT [SalesOrderID], [RevisionNumber], [OrderDate] FROM ( SELECT [SalesOrderID], [RevisionNumber], [OrderDate] , ROW_NUMBER() OVER ( ORDER BY SalesOrderID ) AS rowid FROM [AdventureWorks2012].[Sales].[SalesOrderHeader] ) cte WHERE rowid BETWEEN ( @page - 1 ) * @size + 1 AND @page * @size; -------方法三 SELECT [SalesOrderID], [RevisionNumber], [OrderDate] FROM [AdventureWorks2012].[Sales].[SalesOrderHeader] ORDER BY SalesOrderID OFFSET ( @page - 1 ) * @size ROWS FETCH NEXT @size ROWS ONLY; ---offset的当前页面是从零开
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