Although PHP is a very capable programming language in its own right, much of what you’ll be doing involves interacting with a database. The database is used to store and later retrieve information which will eventually be part of the website.
The database is usually, though not necessarily, a separate process. On the Web, the most common database software is MySQL, or its spin-off, MariaDB, although there are many others available, such as PostgreSQL or, with additional software drivers, Microsoft SQL or Oracle. ...