刪除重複資料

摘要:刪除重複資料

將查詢到重複的資料,並刪除只留下一筆資料。

DELETE NEWS_SET

WHERE NS_ID NOT IN (

Select Max(NS_ID) From [NEWS_SET] Group By NS_TITLE)

AND NS_ID NOT IN (

Select Max(NS_ID) From [NEWS_SET] Group By NS_LINK)