code to create and edit student details using a database. this code uses mysql to create and store the data in a database. this code can perform the following activities:

1. To add a student record
2. To display student record
3. To update student record
4. To add student's marks
5. To generate all student's report card
6. To generate one student's report card
7. To see all details of one student
8. Create a database if one does not already exist