MySQLi is a Relational SQL database management system. MySQLi is used inside the PHP programming language to give an interface with MySQL databases. This tutorial will give you quick start with MySQLi and make you comfortable with MySQLi programming.
This reference has been prepared for the beginners to help them understand the basics to advanced concepts related to MySQLi languages.
Before you start doing practice with various types of examples given in this reference, I'm making an assumption that you are already aware about what is MySQL database, especially RDBMS and what is a computer programming language.