CodeIgniter CRUD Tutorial for Beginners

CRUD stands for Create Read Update Delete. In SQL, it basically represents INSERT (Create), SELECT (Read), UPDATE (Update), DELETE (Delete) commands. In this tutorial, we'll see about building a database CRUD operations using CodeIgniter and MySQL through Ajax requests. This is a continuation of the Simple login tutorial.
At the end of this tutorial you would have functional CRUD operation with user interface similar to the images bellow.
Main page
Add Student Record
Update Student Record
Delete Student Record