SQL Examination Database System
Overview
Welcome to the SQL Examination Database System!
This project is designed to manage and optimize examination processes in educational institutions.
It provides a comprehensive database structure that includes tables for students, courses, exams, instructors, and more. The system also incorporates various stored procedures, functions, triggers, and role-based security to ensure efficient and secure data management.
Features
Non-Clustered Indexes: Optimized query performance across various tables to handle complex queries efficiently.
Stored Procedures: Automates repetitive database operations for better efficiency and maintainability.
User-Defined Functions: Encapsulates complex logic to reuse code effectively.
Views: Simplifies data retrieval by aggregating and presenting data in a user-friendly format.
Triggers: Enforces data integrity and automates actions within the database.
Role-Based Security:
Ensures users have appropriate access levels based on their roles (Admin, Training Manager, Instructor, Student).
Roles and Permissions
This database system uses a role-based security model. Below are the roles and their permissions:
AdminRole: Full control over the database.
TrainingManagerRole: Manage training-related data (students, branches, departments, etc.).
InstructorRole: Manage exams and view course information.
StudentRole: View exam results and course information.
Database Schema
The database consists of several tables, including:
Students: Stores student information.
Courses: Contains course details.
Exams: Stores exam information and schedules.
Instructors: Contains instructor details and assignments.