select * from tbl_name where userid%2=1 mysql> select * from message_bak; +----+-----------+--------------------+---------------------+ | id | name | content | time | +----+-----------+--------------------+---------------------+ | 1 | weirui | xiaozhuqushangban | 2013-11-13 17:10:05 | | 2 | lemontree | xiaozhuqushangban | 2013-11-15 13:47:10 | | 3 | weirui | xiaozhuqushangban | 2013-11-16 14:38:42 | | 4 | weirui | xiaozhuqushangban | 2013-11-11 11:11:11 | | 5 | weirui | xiaozhuqushangban | 2013-11-18 17:47:03 | | 6 | weirui | xiaozhuqushangban | 2013-11-19 10:17:17 | | 7 | weirui | xiaozhuqushangban | 2014-11-11 11:11:13 | | 8 | weirui | xiaozhuqushangban | 2013-11-19 10:17:17 | | 9 | lemontree | xiaozhuqushangban | 2013-11-19 10:17:17 | +----+-----------+--------------------+---------------------+ 9 rows in set (0.00 sec) mysql> update message_bak set content ='xiaoxiongquxiaban' where id%2 = 1; Query OK, 5 rows affected (0.02 sec) Rows matched: 5 Changed: 5 Warnings: 0
mysql查询或更新单双数字的内容
猜你喜欢
转载自qiaolevip.iteye.com/blog/1977035
今日推荐
周排行