myql login account

Linux Operation Phase IV (i) MYQL Basic concepts and steps for compiling and installingFirst, the relevant basic concepts: 1. file storage: Data redundancy and inconsistency, data access difficulty, data isolation, integrity problem, atomicity

first, have the original MYQL of the Root the password;Method One:Outside the MySQL system, use the Mysqladmin# mysqladmin-u root-p Password "test123"Enter Password: "Enter the original password"Method Two:By logging into the MySQL system,mysql> use

Test server password Too many people know, MySQL root account password has been modified ....Summarize the way to modify the root password of MySQL database, hehe big In two cases one, the root of the original myql password; Method One: outside

Centos7 installing MySQL1 Find out if the system has MYQL installedRpm-q MySQL Mysql-server1.1 If it is installed. Just deletesudo yum-y remove MySQL mysql-serversudo rm-rf/etc/my.cnf2 Installation Dependenciessudo yum install ncurses-devel-ysudo

encountered MySQL exceeded the maximum number of connections, I believe many people first reaction is to check the MySQL process, see if there is no slow query, of course, this practice is completely correct! but most of the time the real problem

Operating system version: Ubuntu 12.04 64bitUse the root account to log on to the system and create related directories.Download path/Home/ubuntu/downInstallation directory/Usr/local/php # install php-5.4.3/Usr/local/mysql # install