ROW_NUMBER()函数的用法

对无ID（或者ID不规则）的表进行分页操作，可以使用row_number()函数分页

WITH OrderedOrders AS(SELECT *,ROW_NUMBER() 
OVER (order by Number)as RowNumber FROM dbo.xfd ) 
SELECT * FROM OrderedOrders WHERE RowNumber between 1 and 50