Ubuntu MySQL API 설치

1. mysql 클라이언트 설치:
The program 'mysql' is currently not installed. You can install it by typing:
sudo apt-get install mysql-client-core-5.5

2. mysql 서버 설치:
sudo apt-get install mysql-server

3. mysql 라이브러리 설치:
sudo apt-get install libmysqlclient15-dev