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MySQL汇总 第2页

MySQL 5.6 GTID 原理以及使用

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转自:http://hamilton.duapp.com/detail?articleId=47 # 简介 GTID是MySQL 5.6的新特性,其全称是Global Transaction Identifier,可简化MySQL的主从切换...

mysql查看存储过程函数

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查询数据库中的存储过程和函数 select `name` from mysql.proc where db = ‘xx’ and `type` = ‘PROCEDURE&#...

mysql 限制sql执行时间

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mysql 5.7.8开始 max_execution_time applies to read-only SELECT statements. mysql> show variables like ‘max_execu...

mysql 慢查询时间

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只有当一个query执行时间(不包括锁等待的时间)>long_query_time的时候,才会判定会slow log; 但是判定为slow log之后,输出包括Query_time(执行时间+锁等待时间),并且也会输...

mysql row模式查看原始sql

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得设置:binlog_rows_query_log_events=1

mysql国内镜像下载网址

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http://mirrors.sohu.com/mysql/ http://mirrors.ustc.edu.cn/mysql-ftp/Downloads/ 开源镜像站点汇总 http://segmentfault.com/a/119000...

mysql ACID与四种隔离级别归纳总结

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关于数据库的ACID特性已经有很多的介绍,这里再重新归纳总结一下: A(atomicity)原子性:   即事务要么全部做完,要么全部不做,不会出现只做一部分的情形,如A给B转帐,不会出现A的钱少了,B的钱却没有增加的情况 C(consis...

mysql中varbinary、binary、char、varchar异同

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  binary 与 varbinary 类型和char与varchar类型是相似的,只是他们存储的是二进制数据,也就是说他们是包含字节流而不是字符流,他们有二进制字符的集合和顺序,他们的对比,排序是基于字节的数值进行的   binary与...

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