1. Mac ?下載MySQL

brew update

brew install mysql

2. 安裝MySQL-Python

pip install MySQL-Python

3. 啟動&關閉MySQL

$ which mysql

mbp:~ tianzhaixing$ which mysql

/usr/local/bin/mysql

mbp:~ tianzhaixing$ cd /usr/local/bin

mbp:bin tianzhaixing$ ./mysqld_safe &

[1] 11985

mbp:bin tianzhaixing$ 151219 10:29:06 mysqld_safe Logging to '/usr/local/var/mysql/mbp.local.err'.

151219 10:29:06 mysqld_safe Starting mysqld daemon with databases from /usr/local/var/mysql

mbp:bin tianzhaixing$ pwd

/usr/local/bin

mbp:bin tianzhaixing$ ./mysqladmin -u root -p shutdown

Enter password:

151219 10:29:36 mysqld_safe mysqld from pid file /usr/local/var/mysql/mbp.local.pid ended

[1]+? Done? ? ? ? ? ? ? ? ? ? ./mysqld_safe

注意：

> Enter password: 有時候直接回車就可以。如果不行，再輸入密碼。

> 使用Python 鏈接MySQL前，要先啟動MySQL；

> 使用后，再關閉MySQL。

Q: Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)

A: $ mysql.server start

...