MySQL常用命令

1.mysql各版本官网下载地址:https://downloads.mysql.com/archives/community/

2.若安装时报错,“由于找不到MSVCR120.dll...”而无法继续安装,则双击vcredist_x64.exe安装后再安装;
  原下载地址为:https://www.microsoft.com/zh-CN/download/details.aspx?id=40784

3.新建文件:my.ini

4.常用命令:
  mysql Windows服务安装:mysqld install
  执行:mysqld --initialize
  mysql Windows服务自启动:
  初次进入mysql免密登录:在my.ini文件中port=3306的下一行加上skip-grant-tables,然后重启mysql服务(改完了密码记得注释掉这句)
  进入mysql:use mysql;
  给root用户设置新密码mysql:update user set authentication_string=password("新密码") where user="root";
  刷新数据库(尤其是改了root密码后一定要记得刷新):flush privileges;
  退出:quit;
  密码登录:mysql -hlocalhost -uroot -p
  查看sql日志开启状态:showvariables like ‘%log_output%’;
  开启sql日志:SET GLOBAL general_log = ‘ON‘;
  开启远程访问:grant all privileges on *.* to root@‘%‘ identified by "password";
  查看权限:select host,user,password from user;
  查询表记录条数:
    use information_schema;
    select table_name, table_rows from tables where TABLE_SCHEMA = "epis" order by table_rows desc;

MySQL常用命令

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