摘要:
推荐下这篇文章http://blog.codinglabs.org/articles/theory-of-mysql-index.html写的十分的不错。留着以后慢慢看,慢慢的理解。 阅读全文
摘要:
delimiter //drop PROCEDURE proc_member_preprocessor;//CREATE PROCEDURE proc_member_preprocessor (IN param_uid int(10))main:BEGIN SELECT COUNT(uid) INTO @proc_has_user FROM pre_common_member WHERE uid=param_uid; IF @proc_has_user 10 end repeat;END; ///* loop的使用 */delimiter //DROP PROCEDURE... 阅读全文