Explanation:
You can create database for anything you would like to. Only thing you must identify the information which you want to store and the associated info.
1. Student information maintenance:
This could be created to store information pertaining to student name, personal info like parent name, their occupation, address, contact number, etc. And this student info can be connected to the marks and grades which the student is obtaining on each assessment. To track almost related to the student right from the admission till the exit.
2. Employee information system: To track employee personal details, the task, salary, etc.
3. Accounting system: To track all the incoming and outgoing funds.
4. Blogging System: To track of questions, answers, reviews, comments etc.