added l5

g11-m3-m5/database_setup.sql

@@ -0,0 +1,162 @@
+-- database_setup.sql
+-- Core Tables Creation
+
+-- 1. Students Table
+CREATE TABLE students (
+    student_id INTEGER PRIMARY KEY AUTOINCREMENT,
+    full_name TEXT NOT NULL,
+    date_of_birth DATE,
+    class_group TEXT,
+    emergency_contact TEXT,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+-- 2. Teachers Table
+CREATE TABLE teachers (
+    teacher_id INTEGER PRIMARY KEY AUTOINCREMENT,
+    full_name TEXT NOT NULL,
+    department TEXT,
+    email TEXT,
+    qualifications TEXT,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+-- 3. Subjects Table
+CREATE TABLE subjects (
+    subject_id INTEGER PRIMARY KEY AUTOINCREMENT,
+    subject_name TEXT NOT NULL,
+    department TEXT,
+    credits INTEGER,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+-- 4. Rooms Table
+CREATE TABLE rooms (
+    room_id INTEGER PRIMARY KEY AUTOINCREMENT,
+    room_number TEXT NOT NULL,
+    capacity INTEGER,
+    equipment TEXT,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+-- 5. Classes Table
+CREATE TABLE classes (
+    class_id INTEGER PRIMARY KEY AUTOINCREMENT,
+    class_name TEXT NOT NULL,
+    homeroom_teacher_id INTEGER,
+    academic_year TEXT,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (homeroom_teacher_id) REFERENCES teachers(teacher_id)
+);
+
+-- 6. Tech Tracks Table
+CREATE TABLE tech_tracks (
+    track_id INTEGER PRIMARY KEY AUTOINCREMENT,
+    track_name TEXT NOT NULL,
+    description TEXT,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+-- 7. English Levels Table
+CREATE TABLE english_levels (
+    level_id INTEGER PRIMARY KEY AUTOINCREMENT,
+    level_code TEXT NOT NULL,
+    description TEXT,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+-- 8. Special Groups Table
+CREATE TABLE special_groups (
+    group_id INTEGER PRIMARY KEY AUTOINCREMENT,
+    group_name TEXT NOT NULL,
+    group_type TEXT,
+    teacher_in_charge_id INTEGER,
+    max_participants INTEGER,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (teacher_in_charge_id) REFERENCES teachers(teacher_id)
+);
+
+-- 9. Timeslots Table
+CREATE TABLE timeslots (
+    timeslot_id INTEGER PRIMARY KEY AUTOINCREMENT,
+    day_of_week TEXT NOT NULL,
+    period_number INTEGER,
+    start_time TIME NOT NULL,
+    end_time TIME NOT NULL,
+    academic_module TEXT,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+-- 10. Schedule Entries Table (Core Connection Table)
+CREATE TABLE schedule_entries (
+    entry_id INTEGER PRIMARY KEY AUTOINCREMENT,
+    student_id INTEGER NOT NULL,
+    teacher_id INTEGER NOT NULL,
+    subject_id INTEGER NOT NULL,
+    room_id INTEGER,
+    timeslot_id INTEGER NOT NULL,
+    academic_year TEXT NOT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (student_id) REFERENCES students(student_id),
+    FOREIGN KEY (teacher_id) REFERENCES teachers(teacher_id),
+    FOREIGN KEY (subject_id) REFERENCES subjects(subject_id),
+    FOREIGN KEY (room_id) REFERENCES rooms(room_id),
+    FOREIGN KEY (timeslot_id) REFERENCES timeslots(timeslot_id)
+);
+
+-- 11. Users Table (Security)
+CREATE TABLE users (
+    user_id INTEGER PRIMARY KEY AUTOINCREMENT,
+    username TEXT NOT NULL UNIQUE,
+    password_hash TEXT NOT NULL,
+    role TEXT NOT NULL,
+    email TEXT,
+    last_login TIMESTAMP,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+-- 12. Audit Log Table
+CREATE TABLE audit_log (
+    log_id INTEGER PRIMARY KEY AUTOINCREMENT,
+    user_id INTEGER,
+    action TEXT NOT NULL,
+    table_name TEXT NOT NULL,
+    record_id INTEGER,
+    old_value TEXT,
+    new_value TEXT,
+    timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (user_id) REFERENCES users(user_id)
+);
+
+-- 13. Relationship Tables
+CREATE TABLE student_subjects (
+    student_id INTEGER NOT NULL,
+    subject_id INTEGER NOT NULL,
+    PRIMARY KEY (student_id, subject_id),
+    FOREIGN KEY (student_id) REFERENCES students(student_id),
+    FOREIGN KEY (subject_id) REFERENCES subjects(subject_id)
+);
+
+CREATE TABLE student_tech_tracks (
+    student_id INTEGER NOT NULL,
+    track_id INTEGER NOT NULL,
+    PRIMARY KEY (student_id, track_id),
+    FOREIGN KEY (student_id) REFERENCES students(student_id),
+    FOREIGN KEY (track_id) REFERENCES tech_tracks(track_id)
+);
+
+CREATE TABLE student_english_levels (
+    student_id INTEGER NOT NULL,
+    level_id INTEGER NOT NULL,
+    PRIMARY KEY (student_id, level_id),
+    FOREIGN KEY (student_id) REFERENCES students(student_id),
+    FOREIGN KEY (level_id) REFERENCES english_levels(level_id)
+);
+
+CREATE TABLE student_groups (
+    student_id INTEGER NOT NULL,
+    group_id INTEGER NOT NULL,
+    PRIMARY KEY (student_id, group_id),
+    FOREIGN KEY (student_id) REFERENCES students(student_id),
+    FOREIGN KEY (group_id) REFERENCES special_groups(group_id)
+);