sqlserver 一个字段分成两个字段 截取,保存
Ma,LeiTo(Ma,lT)
分割后为
姓 名
Ma,LeiTo Ma,lT
SELECT LEFT(作者, CHARINDEX('(', 作者) - 1) AS 姓 , replace( STUFF(作者,1, CHARINDEX('(', 作者) , ''),')','') AS 名 ,* FROM 作者表
删除最大值
delete from 表 where id in( SELECT id FROM dbo.表 T WHERE EXISTS (SELECT name FROM dbo.表 WHERE name= T.name GROUP BY name HAVING COUNT(*) > 1) AND T.id NOT IN (SELECT MIN(id) FROM dbo.M期刊 GROUP BY name HAVING COUNT(*) > 1) )
去除特殊空格
REPLACE(REPLACE(REPLACE(REPLACE(Title,' ',''),CHAR(9),''),CHAR(10),''),CHAR(13),'')