PHP mysql practice: student information management system (Jade Girl Heart Sutra Edition)

The course in this chapter does not use any back-end framework of PHP, but writes a simple student information management system to add, delete, check and modify student information. The purpose of not using a framework is to have a deeper understanding of the interaction process of front-end and back-end data, to become more familiar with the use of SQL query statements, and the native use of session tracking sessions.