sql server 小技巧(2) 删除sql server中重复的数据

with list_numbers as
(
	　　select Name, AuthorOrTime, Url, Price, EstimatePrice, Size, Category,
	　　ROW_NUMBER() over (order by Name, AuthorOrTime, Url, Price, EstimatePrice, Size, Category) as 'rownumber'
	　　from Arts
)
delete list_numbers where rownumber not in
(
	　　select min(rownumber) from list_numbers group by Name, AuthorOrTime, Url, Price, EstimatePrice, Size, Category
)

sql server 小技巧 集锦