2017年2月4日
IN的另类写法
摘要： EXPLAIN SELECT * FROM `tcb_capital_log` WHERE id IN(66,79,47) EXPLAIN SELECT * FROM ( SELECT 66 AS id UNION ALL SELECT 79 AS id UNION ALL SELECT 47 AS id ) AS tmp , tcb_capital_log WHERE tcb_capi... 阅读全文
posted @ 2017-02-04 16:38 Adtuu 阅读(268) 评论(0) 推荐(0) 编辑