Upgrading to MySQL 5.7---focusing on temporal types

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Upgrading to MySQL 5.7---focusing on temporal types

https://www.percona.com/blog/2016/04/27/upgrading-to-mysql-5-7-focusing-on-temporal-types/ http://www.cnblogs.com/ivictor/p/5465215.html…

Percona博客学习总结

1. Upgrading to MySQL 5.7, focusing on temporal types 在MySQL 5.6.4中,对TIME, TIMESTAMP and DATETIME三种时间类型进行了扩充,支持了微秒,并且DATETIME的存储由之前的8个字节缩小到5个字节. MySQL 5.6.4在Server层新增三种时间类型MYSQL_TYPE_TIME2,MYSQL_TYPE_DATETIME2,MYSQL_TYPE_TIMESTAMP2,并在InnoDB层以二进制的格式存储…

mysql的TABLE_SCHEMA的sql和information_schema表, MySQL管理一些基础SQL语句, Changes in MySQL 5.7.2

3.查看库表的最后mysql修改时间, 如果第一次新建的表可能还没有update_time,所以这里用了ifnull,当update_time为null时用create_time替代 select TABLE_SCHEMA, TABLE_NAME,ifnull(update_time , create_time) from information_schema.TABLES where TABLE_SCHEMA='table_name' order by ifnull(update_time ,…

mysql 5.7.17发布

Mysql 5.7.17发布了,主要修复: Changes in MySQL 5.7.17 (2016-12-12, General Availability) Compilation Notes MySQL Enterprise Notes Packaging Notes Security Notes Test Suite Notes Functionality Added or Changed Bugs Fixed Compilation Notes For GCC versions hig…

mysql下面的INSTALL-BINARY的内容，所有的mysql的配置内容都在这

2.2 Installing MySQL on Unix/Linux Using Generic Binaries Oracle provides a set of binary distributions of MySQL. These include binary distributions in the form of compressed tar files (files with a .tar.gz extension) for a number of platforms, as we…

windows 下使用 zip安装包安装MySQL 5.7

以下内容参考官方文档:http://dev.mysql.com/doc/refman/5.7/en/windows-start-command-line.html 解压缩zip到D:\mysql-5.7.13-winx64,建立data目录D:\mysql-5.7.13-winx64\data, 在D:\mysql-5.7.13-winx64创建配置文件my.ini,详见: [mysqld] # set basedir to your installation path basedir=D:\m…

mysql 升级方法

Performing an In-place Upgrade This section describes how to perform an in-place upgrade. Review Before you Begin before proceeding. Note If you upgrade an installation originally produced by installing multiple RPM packages, upgrade all the packages…