2015年4月1日
MYSQL 中随机读取一条数据
摘要： SELECT * FROM res AS t1 JOIN (SELECT ROUND(RAND() * ((SELECT MAX(id) FROM res) - (SELECT MIN(id) FROM res)) + (SELECT MIN(id) FROM res)) AS id) AS t2 ... 阅读全文
posted @ 2015-04-01 16:24 小凯 阅读(367) 评论(0) 推荐(0) 编辑