mysql常用命令

1 mysql 在linux 编译
安装myql 
启动命令
/etc/init.d/mysqld  或者/etc/rc.d/init.d/mysqld (init.d -> rc.d/init.d init.d是个链接文件)
/var/lib/mysql/ 数据库目录
/usr/share/mysql 配置文件目录
/usr/bin mysqladmin mysqldump 相关mysql 命令文件夹


2 安装的时候mysql没有密码
添加 root 密码
mysqladmin -u root password 123456
使用mysql
mysql -u root -p 输入密码
mysql> show database;
mysql> use mysql;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A


Database changed
mysql> show tables;
GRANT ALL PRIVILEGES ON *.* TO root@'%' IDENTIFIED BY '123456'; 
FLUSH PRIVILEGES;
mysql> describe user; 查看一个表结构