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mysql>select*from t;+------+--------+| id| pw_num|+------+--------+|1|0||2|11||3|8||4|3|+------+--------+4 rowsinset (0.00 sec)

mysql>select group_concat(pw_num)from twhere pw_num>5;+----------------------+| group_concat(pw_num)|+----------------------+|11,8|+----------------------+1 rowinset (0.00 sec)


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SQL code:
+----------+---------------------+------+
| username | usertime | type |
+----------+---------------------+------+
| | 2009-10-15 09:48:12 | 0 |
| 456 | 2009-10-14 20:30:07 | 1 |
| 789 | 2009-10-14 20:30:32 | 2 |
| 99 | 2009-10-15 10:36:55 | 1 |
| 333 | 2009-10-15 10:39:38 | 1 |
| 888 | 2009-10-15 10:34:11 | 0 |
+----------+---------------------+------+






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