CodeNote

brew install mysql
==> Downloading https://homebrew.bintray.com/bottles/mysql-5.7.17.el_capitan.bottle.1.tar.gz
######################################################################## 100.0%
==> Pouring mysql-5.7.17.el_capitan.bottle.1.tar.gz
==> Using the sandbox
==> /usr/local/Cellar/mysql/5.7.17/bin/mysqld --initialize-insecure --user=your_username --basedir=/usr/local/Cellar/mysql/5.7.17 --datadir=/usr/local/var/mysql --t
==> Caveats
We've installed your MySQL database without a root password. To secure it run:
    mysql_secure_installation
 
To connect run:
    mysql -uroot
 
To have launchd start mysql now and restart at login:
  brew services start mysql
Or, if you don't want/need a background service you can just run:
  mysql.server start
==> Summary
/usr/local/Cellar/mysql/5.7.17: 321 files, 234.4MB

brew services start mysql
==> Successfully started `mysql` (label: homebrew.mxcl.mysql)

mysql.server start

$ mysql -u root
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 3
Server version: 5.7.17 Homebrew
 
Copyright (c) 2000, 2016, 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 'character_set%';
+--------------------------+------------------------------------------------------+
| Variable_name            | Value                                                |
+--------------------------+------------------------------------------------------+
| character_set_client     | utf8                                                 |
| character_set_connection | utf8                                                 |
| character_set_database   | utf8                                                 |
| character_set_filesystem | binary                                               |
| character_set_results    | utf8                                                 |
| character_set_server     | utf8                                                 |
| character_set_system     | utf8                                                 |
| character_sets_dir       | /usr/local/Cellar/mysql/5.7.17/share/mysql/charsets/ |
+--------------------------+------------------------------------------------------+
8 rows in set (0.01 sec)