Why SQL?

• Can handle large data sets in db engine efficiently

• Creates an interface layer between the application and the data

• Apache runs as www-data user, db runs as mysql user, for everyone
• Applications log into db and accounts there keep data separate

Notes:

Can handle large data sets in db engine efficiently

* Creates an interface layer between the application and the data

+ Apache runs as www-data user, db runs as mysql user, for everyone

+ Applications log into db and accounts there keep data separate