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mysql查找重复

时间:2015-06-30 20:15:00      阅读:124      评论:0      收藏:0      [点我收藏+]
??? ? ?? ?? 
 
SELECT ???, count(*) FROM ????  GROUP BY ???
 
mysql> SELECT t1, count(*) FROM test GROUP BY t1
 
 
??? ??? n? ??? ? ?? 
 
SELECT ???, count(*) as ??? FROM ???? GROUP BY ??? HAVING ???>n
 
mysql> SELECT t1, count(*) as num FROM test GROUP BY t1 HAVING num>1;
+------------+-----+
| t1               | num |
+------------+-----+
| tulip pink     |   2  |
| ???         |   2  |
+------------+-----+
2 rows in set (0.01 sec)

mysql查找重复

原文:http://www.cnblogs.com/jweb/p/4611176.html

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