7.2.2 Grant Tables 授权表 The mysql system database includes several grant tables that contain information about user accounts and the privileges held by them. This section describes those tables. For information about other tables in the system databas
转载: MySQL5.5升级5.6后,执行grant出错:ERROR 2013 (HY000): Lost connection to -mysql教程-数据库-壹聚教程网http://www.111cn.net/database/mysql/79899.htm MySQL 5.5 升级到 MySQL5.6,在什么都没有更改的情况下,直接将data放置到MySQL 5.6下运行,一开始就一切正常,但在新加一个数据库后,分配权限时,就出错了:ERROR 2013 (HY000): Lost con
win7 + mysql 5.6.35 C:\Windows\system32>mysql --versionmysql Ver 14.14 Distrib 5.6.35, for Win64 (x86_64) 以下步骤如果添加了MySQL的环境变量,则可以直接运行mysql有关命令,否则必须到mysql安装目录的bin目录下操作. 步骤如下: 1.停止mysql服务(以管理员身份,在cmd命令行下运行) net stop mysql C:\Windows\system32>net stop
MySQL 升级步骤 MySQL 5.1.72 升级到 MySQL 5.5.36 鉴于我在升级的时候遇到的麻烦问题,我觉得有必要把一些细节说清楚,免得引起误解了.感觉官方文档上的升级步骤写的比较简单,很容易引起混淆,感觉同我当时参照官方文档学习定制安装 MySQL 一样蛋疼.可能真的是外国淫的思维跟我差距太大了. 数据库情况:本人测试的都是 Linux Generic x86_64 版本的,也是定制安装到制定的数据库目录的. 详细升级步骤 1.MySQL 5.1.72 启动的实例 ins1 假设
http://dev.mysql.com/doc/refman/5.7/en/identifiers.html The following table describes the maximum length for each type of identifier. Identifier Maximum Length (characters) Database 64 (NDB storage engine: 63) Table 64 (NDB storage engine: 63) Column
Table 12.18 Information Functions Name Description BENCHMARK() Repeatedly execute an expression CHARSET() Return the character set of the argument COERCIBILITY() Return the collation coercibility value of the string argument COLLATION() Return the co
MySQL的error log 出现大量的 DNS反解析错误. DNS解析是指,将 域名解析成ip地址: DNS反解析是指,将IP地址反解析成域名: Version: MySQL Community Server (GPL) :: [Warning] IP address 'xxx.xxx.xx.xxx' could not be resolved: Name or service not known :: [Warning] IP address :: [Warning] IP address
Class cursor.MySQLCursorBuffered 该类从Class cursor.MySQLCursorBuffered继承,如果需要,可以在执行完SQL语句后自动缓冲结果集合.import mysql.connectorcnx = mysql.connector.connect()# Only this particular cursor will buffer resultscnx.cursor(buffered=True)# All cursors will be buff
hr,fresh meat!! --------------------------------------------------- 15 Practical Usages of Mysqladmin Command For Administering MySQL Server In all the 15 mysqladmin command-line examples below, tmppassword is used as the MySQL root user password. Pl
第 4 章 MySQL 安全管理 前言 对于任何一个企业来说,其数据库系统中所保存数据的安全性无疑是非常重要的,尤其是公司的有些商业数据,可能数据就是公司的根本,失去了数据的安全性,可能就是失去了公司的一切.本章将针对 MySQL 的安全相关内容进行较为详细的介绍. 4.1 数据库系统安全相关因素 外围网络: MySQL 的大部分应用场景都是基于网络环境的,而网络本身是一个充满各种入侵危险的环境,所以要保护他的安全,在条件允许的情况下,就应该从最外围的网络环境开始"布防",
原文:http://www.if-not-true-then-false.com/2010/install-mysql-on-fedora-centos-red-hat-rhel/ 1. Change root user su - ## OR ## sudo -i 2. Install Remi repository ## CentOS and Red Hat (RHEL) ## rpm -Uvh http://rpms.famillecollet.com/enterprise/remi-rel
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
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