查询是这样的:删除重复在MySQL
CREATE TABLE `query` (
`id` int(11) NOT NULL auto_increment,
`searchquery` varchar(255) NOT NULL default '',
`datetime` int(11) NOT NULL default '0',
PRIMARY KEY (`id`)
) ENGINE=MyISAM
首先我想删除表:
ALTER TABLE `querynew` DROP `id`
,然后删除重复输入.. 我试了一下:
INSERT INTO `querynew` SELECT DISTINCT * FROM `query`
但没有成功.. :(
和ALTER TABLE query ADD UNIQUE (searchquery)
- 是否可以只保存一次查询?
that one was great !!! very fast and干净!!!谢谢!! :-) – elmaso 2010-04-18 11:57:14