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# 常用操作

## 创建用户

```sql create user '<username>'@'%' identified by '<password>'; ```

## 创建数据库

```sql create database <database_name>; ```

## 用户授权

```sql -- 授予所有数据库的所有权限 grant all privileges on *.* to '<username>'@'%'; -- 授予单个数据库的所有权限 grant all privileges on <database_name>.* to '<username'@'%'; ```

# 常见问题与解决方案

## 远程连接数据库提示111 Connection refused.

需要修改mysql配置文件,注释掉bind-server=127.0.0.1启用远程连接。Ubuntu下,MySQL配置文件路径`/etc/mysql/mysql.conf.d/mysqld.cnf`,MariaDB配置文件路径`/etc/mysql/mariadb.conf.d/50-server.cnf`

mysql.1515651240.txt.gz · Last modified: 2021/02/10 21:29 (external edit)