u

eLearning.sql

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+-- Roles table stores information about user roles
+CREATE TABLE roles (
+    id INT PRIMARY KEY AUTO_INCREMENT,
+    type VARCHAR(50) NOT NULL,
+    identity VARCHAR(100) NOT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+);
+
+-- Users table stores information about all users
+CREATE TABLE users (
+    id INT PRIMARY KEY AUTO_INCREMENT,
+    name VARCHAR(255) NOT NULL,
+    contact VARCHAR(255) UNIQUE,
+    email VARCHAR(255) UNIQUE,
+    description TEXT,
+    password VARCHAR(255) NOT NULL,
+    role_id INT,
+    image VARCHAR(255),
+    remember_token VARCHAR(255),
+    status INT DEFAULT 1 COMMENT '1 active, 0 inactive',
+    access_block TEXT,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+    deleted_at TIMESTAMP NULL,
+    FOREIGN KEY (role_id) REFERENCES roles(id)
+);
+
+-- Students table stores additional information about students
+CREATE TABLE students (
+    id INT PRIMARY KEY AUTO_INCREMENT,
+    name VARCHAR(255) NOT NULL,
+    contact VARCHAR(255) UNIQUE,
+    email VARCHAR(255) UNIQUE,
+    password VARCHAR(255) NOT NULL,
+    role_id INT,
+    date_of_birth DATE,
+    gender ENUM('male', 'female', 'other'),
+    image VARCHAR(255),
+    remember_token VARCHAR(255),
+    status INT DEFAULT 1 COMMENT '1 active, 0 inactive',
+    access_block TEXT,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+    deleted_at TIMESTAMP NULL,
+    FOREIGN KEY (role_id) REFERENCES roles(id)
+);
+
+-- Instructors table stores additional information about instructors
+CREATE TABLE instructors (
+    id INT PRIMARY KEY AUTO_INCREMENT,
+    name VARCHAR(255) NOT NULL,
+    contact VARCHAR(255) UNIQUE,
+    email VARCHAR(255) UNIQUE,
+    password VARCHAR(255) NOT NULL,
+    role_id INT,
+    bio TEXT,
+    image VARCHAR(255),
+    remember_token VARCHAR(255),
+    status INT DEFAULT 1 COMMENT '1 active, 0 inactive',
+    access_block TEXT,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+    deleted_at TIMESTAMP NULL,
+    FOREIGN KEY (role_id) REFERENCES roles(id)
+);
+
+-- Course Categories table stores information about course categories
+CREATE TABLE course_categories (
+    id INT PRIMARY KEY AUTO_INCREMENT,
+    category_name varchar(255) NOT NULL,
+    category_status tinyint(1) NOT NULL DEFAULT 1 COMMENT '1 active, 0 inactive',
+    category_image varchar(255) DEFAULT NULL,
+    created_at timestamp NULL DEFAULT NULL,
+    updated_at timestamp NULL DEFAULT NULL,
+    deleted_at timestamp NULL DEFAULT NULL,
+);
+
+-- Courses table stores information about each course
+CREATE TABLE courses (
+    id INT PRIMARY KEY AUTO_INCREMENT,
+    title VARCHAR(255) NOT NULL,
+    description TEXT,
+    category_id INT,
+    difficulty ENUM('beginner', 'intermediate', 'advanced') NOT NULL,
+    instructor_id INT,
+    price DECIMAL(10, 2) DEFAULT 0.00,
+    is_free BOOLEAN DEFAULT false,
+    is_subscription_based BOOLEAN DEFAULT false,
+    subscription_price DECIMAL(10, 2),
+    prerequisites TEXT,
+    image VARCHAR(255),
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+    FOREIGN KEY (instructor_id) REFERENCES instructors(id),
+    FOREIGN KEY (category_id) REFERENCES course_categories(id)
+);
+
+-- Enrollments table tracks which users are enrolled in which courses
+CREATE TABLE enrollments (
+    id INT PRIMARY KEY AUTO_INCREMENT,
+    student_id INT,
+    course_id INT,
+    enrollment_date TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (student_id) REFERENCES students(id),
+    FOREIGN KEY (course_id) REFERENCES courses(id)
+);
+
+-- Materials table stores various types of course materials
+CREATE TABLE materials (
+    id INT PRIMARY KEY AUTO_INCREMENT,
+    course_id INT,
+    title VARCHAR(255) NOT NULL,
+    type ENUM('video', 'document', 'quiz') NOT NULL,
+    content_url TEXT,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+    FOREIGN KEY (course_id) REFERENCES courses(id)
+);
+
+-- Quizzes table stores information about quizzes
+CREATE TABLE quizzes (
+    id INT PRIMARY KEY AUTO_INCREMENT,
+    course_id INT,
+    title VARCHAR(255) NOT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+    FOREIGN KEY (course_id) REFERENCES courses(id)
+);
+
+-- Questions table stores individual questions for quizzes
+CREATE TABLE questions (
+    id INT PRIMARY KEY AUTO_INCREMENT,
+    quiz_id INT,
+    content TEXT NOT NULL,
+    type ENUM('multiple_choice', 'true_false', 'short_answer') NOT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+    FOREIGN KEY (quiz_id) REFERENCES quizzes(id)
+);
+
+-- User_answers table stores user responses to quiz questions
+CREATE TABLE user_answers (
+    id INT PRIMARY KEY AUTO_INCREMENT,
+    student_id INT,
+    question_id INT,
+    answer TEXT,
+    is_correct BOOLEAN,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (student_id) REFERENCES students(id),
+    FOREIGN KEY (question_id) REFERENCES questions(id)
+);
+
+-- Reviews table stores reviews for courses
+CREATE TABLE reviews (
+    id INT PRIMARY KEY AUTO_INCREMENT,
+    student_id INT,
+    course_id INT,
+    rating INT,
+    comment TEXT,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (student_id) REFERENCES students(id),
+    FOREIGN KEY (course_id) REFERENCES courses(id)
+);
+
+-- Payments table stores information about individual transactions
+CREATE TABLE payments (
+    id INT PRIMARY KEY AUTO_INCREMENT,
+    student_id INT,
+    course_id INT,
+    amount DECIMAL(10, 2) NOT NULL,
+    payment_date TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    payment_method VARCHAR(255),
+    transaction_id VARCHAR(255),
+    status ENUM('success', 'pending', 'failed') DEFAULT 'pending',
+    FOREIGN KEY (student_id) REFERENCES students(id),
+    FOREIGN KEY (course_id) REFERENCES courses(id)
+);
+
+-- Subscriptions table tracks user subscriptions
+CREATE TABLE subscriptions (
+    id INT PRIMARY KEY AUTO_INCREMENT,
+    student_id INT,
+    course_id INT,
+    plan ENUM('monthly', 'yearly') NOT NULL,
+    start_date TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    end_date TIMESTAMP,
+    status ENUM('active', 'canceled', 'expired') DEFAULT 'active',
+    FOREIGN KEY (student_id) REFERENCES students(id),
+    FOREIGN KEY (course_id) REFERENCES courses(id)
+);
+
+-- Course_progress table stores information about user progress in each course
+CREATE TABLE course_progress (
+    progress_id INT PRIMARY KEY AUTO_INCREMENT,
+    student_id INT,
+    course_id INT,
+    progress_percentage INT DEFAULT 0,
+    completed BOOLEAN DEFAULT false,
+    last_viewed_material_id INT,
+    last_viewed_at TIMESTAMP,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+    FOREIGN KEY (student_id) REFERENCES students(id),
+    FOREIGN KEY (course_id) REFERENCES courses(id),
+    FOREIGN KEY (last_viewed_material_id) REFERENCES materials(id)
+);
+
+-- Discussions table stores discussions related to courses
+CREATE TABLE discussions (
+    discussion_id INT PRIMARY KEY AUTO_INCREMENT,
+    user_id INT,
+    course_id INT,
+    title VARCHAR(255) NOT NULL,
+    content TEXT,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (user_id) REFERENCES users(user_id),
+    FOREIGN KEY (course_id) REFERENCES courses(course_id)
+);
+
+-- Messages table stores direct messages between users
+CREATE TABLE messages (
+    message_id INT PRIMARY KEY AUTO_INCREMENT,
+    sender_id INT,
+    receiver_id INT,
+    content TEXT,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (sender_id) REFERENCES users(user_id),
+    FOREIGN KEY (receiver_id) REFERENCES users(user_id)
+);