SQL删除数据库某一字段内容重复的数据行

删除[field]字段内容重复的数据，[table]表名，[field]字段名

DELETE FROM [table] WHERE [id] NOT IN 
(SELECT MIN([id]) FROM [B_SensitiveWord] GROUP BY [field] Having Count(*)>1 
UNION SELECT MIN([id]) FROM [table] GROUP BY [field] Having Count(*)=1)

保留[id]最小的数据，删除其他重复的数据　　

备注：[id]字段为int类型，可计算