这篇文章主要讲解了“MAC上安装MYSQL的步骤是什么”，文中的讲解内容简单清晰，易于学习与理解，下面请大家跟着小编的思路慢慢深入，一起来研究和学习“MAC上安装MYSQL的步骤是什么”吧！
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安装
双击下载好的dmg文件，会弹出pkg弹框，再双击pkg图标，进入安装界面，在安装界面上一路继续，就安装成功了。
环境变量
第一步，在终端切换到根目录，编辑./.bash_profile文件
➜ ~ cd ~
➜ ~ vim ./.bash_profile第二步，进入vim编辑环境，按下i进入insert模式，输入
export PATH=$PATH:/usr/local/mysql/bin
export PATH=$PATH:/usr/local/mysql/support-files第三步，按下 esc 退出 insert 模式，输入 :wq 保存配置文件
:wq第四步，在终端界面输入以下命令，让配置文件的修改生效，并查看环境变量是否设置成功
➜ ~ echo $PATH
/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin
➜ ~ source ~/.bash_profile
➜ ~ echo $PATH
/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/mysql/bin:/usr/local/mysql/support-files
➜ ~MYSQL服务的启停和状态的查看
查看MYSQL的服务状态
➜ ~ sudo mysql.server status
Password:
ERROR! MySQL is not running启动MYSQL服务
➜ ~ sudo mysql.server start
Starting MySQL
.Logging to '/usr/local/mysql/data/mj.local.err'.
SUCCESS!停止MYSQL服务
➜ ~ sudo mysql.server stop
Shutting down MySQL
. SUCCESS!重启MYSQL服务
➜ ~ sudo mysql.server restart
ERROR! MySQL server PID file could not be found!
Starting MySQL
. SUCCESS!启动
第一步，终端界面下输入
➜ ~ sudo mysql.server start
Starting MySQL
.Logging to '/usr/local/mysql/data/mj.local.err'.
SUCCESS!第二步，启动MYSQL服务，启动成功后继续输入
➜ ~ mysql -u root -p第三步，直接回车，进入数据库，看到以下欢迎界面
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 1
Server version: 5.6.41 MySQL Community Server (GPL)
Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql>备注：默认安装成功后没有初始密码，所以密码不用输入，直接回车即可。
初始化设置
设置初始密码，进入mysql数据库之后执行下面的语句，设置当前root用户的密码为root
➜ ~ mysql -u root -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.6.41 MySQL Community Server (GPL)
Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql> set password = password('root');
Query OK, 0 rows affected (0.01 sec)
mysql>退出MYSQL的界面
mysql> exit
Bye
➜ ~配置
进入到 /usr/local/mysql/support-files目录，里面有个文件my-default.cnf
➜ ~ cd /usr/local/mysql/support-files
➜ support-files ll
total 64
-rwxr-xr-x 1 root wheel 1.1K 6 15 2018 binary-configure
-rw-r--r-- 1 root wheel 773B 6 15 2018 magic
-rw-r--r-- 1 root wheel 1.1K 6 15 2018 my-default.cnf
-rwxr-xr-x 1 root wheel 894B 6 15 2018 mysql-log-rotate
-rwxr-xr-x 1 root wheel 10K 6 15 2018 mysql.server
-rwxr-xr-x 1 root wheel 1.0K 6 15 2018 mysqld_multi.server
➜ support-files将目录下的my-default.cnf文件复制到桌面上，改名为my.cnf，
➜ support-files ll
total 64
-rwxr-xr-x 1 root wheel 1.1K 6 15 2018 binary-configure
-rw-r--r-- 1 root wheel 773B 6 15 2018 magic
-rw-r--r-- 1 root wheel 1.1K 6 15 2018 my-default.cnf
-rwxr-xr-x 1 root wheel 894B 6 15 2018 mysql-log-rotate
-rwxr-xr-x 1 root wheel 10K 6 15 2018 mysql.server
-rwxr-xr-x 1 root wheel 1.0K 6 15 2018 mysqld_multi.server
➜ support-files cp my-default.cnf /Users/a1/Desktop/my.cnf将内容替换为下面的内容
[mysqld]
default-storage-engine=INNODB
character-set-server=utf8
port = 3306
[client]
default-character-set=utf8将修改后的my.cnf文件复制到/etc目录下，重启MYSQL
➜ /etc cp /Users/a1/Desktop/my.cnf ./
cp: ./my.cnf: Permission denied
➜ /etc sudo cp /Users/a1/Desktop/my.cnf ./
Password:
➜ /etc ll
total 1064
......
-rw------- 1 root wheel 7.3K 2 29 14:10 master.passwd
-rw-r--r-- 1 root wheel 1.2K 5 17 17:24 my.cnf
-rw-r--r-- 1 root wheel 11B 2 29 14:43 nanorc
-rw-r--r-- 1 root wheel 53B 2 29 14:09 networks
......
➜ /etc备注：拷贝文件到etc目录需要系统权限，因此需要在命令前加sudo
检测修改结果
➜ ~ mysql -u root -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 4
Server version: 5.6.41 MySQL Community Server (GPL)
Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql> show variables like '%char%';
+--------------------------+-----------------------------------------------------------+
| Variable_name | Value |
+--------------------------+-----------------------------------------------------------+
| character_set_client | utf8 |
| character_set_connection | utf8 |
| character_set_database | latin1 |
| character_set_filesystem | binary |
| character_set_results | utf8 |
| character_set_server | latin1 |
| character_set_system | utf8 |
| character_sets_dir | /usr/local/mysql-5.6.41-macos10.13-x86_64/share/charsets/ |
+--------------------------+-----------------------------------------------------------+
8 rows in set (0.01 sec)
mysql>备注：此时不输入密码就登录不了数据库了，必须使用修改后的密码登录数据库了，并且数据库的字符集编码信息已经修改了。
感谢各位的阅读，以上就是“MAC上安装MYSQL的步骤是什么”的内容了，经过本文的学习后，相信大家对MAC上安装MYSQL的步骤是什么这一问题有了更深刻的体会，具体使用情况还需要大家实践验证。这里是亿速云，小编将为大家推送更多相关知识点的文章，欢迎关注！
