What is mysql? How to use it?

Answer 1

mySql use to keep the database to use it again and again for example if you made a form of entries so if a person do the entire on your form it will saved in the Sql database.

Answer 2

MySQL is a relational database management system. Which means you can create and use databases, utilising it.

Use PDO in PHP to access it.

Check out tutorials:
http://wiki.hashphp.org/PDO_Tutorial_for_MySQL_Developers

Answer 3

can also use mysqli in php to access it.

Answer 4

Mysql use to keep your data into database to use it again and again #CMIWW