查出某个字段重复出现两次以上的记录.sql 244 B

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  1. use db
  2. --SELECT [×Ö¶Î] FROM [±í] GROUP BY [×Ö¶Î] HAVING COUNT([×Ö¶Î]) > 1
  3. --SELECT COUNT(name) FROM syscolumns WHERE id=object_id('dindan')
  4. select * from dindansp where id in(select id from dindansp group by id having count(id) > 1) order by id