424 lines
8.7 KiB
SQL
424 lines
8.7 KiB
SQL
-- MySql Version 9.2.0
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CREATE DATABASE Marketplace;
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USE Marketplace;
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-- User Entity
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CREATE TABLE User (
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UserID INT AUTO_INCREMENT PRIMARY KEY,
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Name VARCHAR(100) NOT NULL,
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Email VARCHAR(100) UNIQUE NOT NULL,
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UCID VARCHAR(20) UNIQUE NOT NULL,
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Password VARCHAR(255) NOT NULL,
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Phone VARCHAR(20),
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Address VARCHAR(255)
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);
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CREATE TABLE UserRole (
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UserID INT,
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Client BOOLEAN DEFAULT True,
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Admin BOOLEAN DEFAULT FALSE,
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PRIMARY KEY (UserID),
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FOREIGN KEY (UserID) REFERENCES User (UserID) ON DELETE CASCADE
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);
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-- Category Entity (must be created before Product or else error)
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CREATE TABLE Category (
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CategoryID INT PRIMARY KEY,
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Name VARCHAR(255) NOT NULL
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);
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-- Product Entity
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CREATE TABLE Product (
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ProductID INT PRIMARY KEY,
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Name VARCHAR(255) NOT NULL,
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Price DECIMAL(10, 2) NOT NULL,
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StockQuantity INT,
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UserID INT,
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Description TEXT,
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CategoryID INT NOT NULL,
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Date DATETIME DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (UserID) REFERENCES User (UserID),
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FOREIGN KEY (CategoryID) REFERENCES Category (CategoryID)
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);
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-- Fixed Image_URL table
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CREATE TABLE Image_URL (
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URL VARCHAR(255),
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ProductID INT,
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FOREIGN KEY (ProductID) REFERENCES Product (ProductID)
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);
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-- Fixed Review Entity (Many-to-One with User, Many-to-One with Product)
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CREATE TABLE Review (
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ReviewID INT PRIMARY KEY,
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UserID INT,
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ProductID INT,
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Comment TEXT,
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Rating INT CHECK (
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Rating >= 1
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AND Rating <= 5
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),
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Date DATETIME DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (UserID) REFERENCES User (UserID),
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FOREIGN KEY (ProductID) REFERENCES Product (ProductID)
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);
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-- Transaction Entity (Many-to-One with User, Many-to-One with Product)
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CREATE TABLE Transaction (
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TransactionID INT PRIMARY KEY,
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UserID INT,
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ProductID INT,
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Date DATETIME DEFAULT CURRENT_TIMESTAMP,
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PaymentStatus VARCHAR(50),
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FOREIGN KEY (UserID) REFERENCES User (UserID),
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FOREIGN KEY (ProductID) REFERENCES Product (ProductID)
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);
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-- Recommendation Entity (Many-to-One with User, Many-to-One with Product)
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CREATE TABLE Recommendation (
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RecommendationID_PK INT PRIMARY KEY,
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UserID INT,
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RecommendedProductID INT,
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FOREIGN KEY (UserID) REFERENCES User (UserID),
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FOREIGN KEY (RecommendedProductID) REFERENCES Product (ProductID)
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);
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-- History Entity (Many-to-One with User, Many-to-One with Product)
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CREATE TABLE History (
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HistoryID INT PRIMARY KEY,
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UserID INT,
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ProductID INT,
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Date DATETIME DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (UserID) REFERENCES User (UserID),
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FOREIGN KEY (ProductID) REFERENCES Product (ProductID)
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);
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-- Favorites Entity (Many-to-One with User, Many-to-One with Product)
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CREATE TABLE Favorites (
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FavoriteID INT AUTO_INCREMENT PRIMARY KEY,
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UserID INT,
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ProductID INT,
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FOREIGN KEY (UserID) REFERENCES User (UserID),
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FOREIGN KEY (ProductID) REFERENCES Product (ProductID)
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);
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-- Product-Category Junction Table (Many-to-Many)
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CREATE TABLE Product_Category (
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ProductID INT,
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CategoryID INT,
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PRIMARY KEY (ProductID, CategoryID),
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FOREIGN KEY (ProductID) REFERENCES Product (ProductID),
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FOREIGN KEY (CategoryID) REFERENCES Category (CategoryID)
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);
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-- Login Authentication table
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CREATE TABLE AuthVerification (
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UserID INT AUTO_INCREMENT PRIMARY KEY,
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Email VARCHAR(100) UNIQUE NOT NULL,
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VerificationCode VARCHAR(6) NOT NULL,
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Authenticated BOOLEAN DEFAULT FALSE,
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Date DATETIME DEFAULT CURRENT_TIMESTAMP
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);
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-- Insert sample categories
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INSERT INTO
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Category (CategoryID, Name)
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VALUES
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(1, 'Electronics'),
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(2, 'Clothing'),
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(3, 'Books'),
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(4, 'Home & Garden'),
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(5, 'Sports & Outdoors');
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-- USER CRUD OPERATIONS
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-- Create User (INSERT)
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INSERT INTO
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User (Name, Email, UCID, Password, Phone, Address)
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VALUES
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(
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'John Doe',
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'john@example.com',
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'UC123456',
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'hashed_password_here',
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'555-123-4567',
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'123 Main St'
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);
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-- Set user role
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INSERT INTO
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UserRole (UserID, Client, Admin)
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VALUES
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(LAST_INSERT_ID (), TRUE, FALSE);
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-- Read User (SELECT)
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SELECT
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u.*,
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ur.Client,
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ur.Admin
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FROM
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User u
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JOIN UserRole ur ON u.UserID = ur.UserID
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WHERE
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u.UserID = 1;
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-- Update User (UPDATE)
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UPDATE User
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SET
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Name = 'John Smith',
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Phone = '555-987-6543',
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Address = '456 Elm St'
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WHERE
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UserID = 1;
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-- Update User Role
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UPDATE UserRole
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SET
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Admin = TRUE
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WHERE
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UserID = 1;
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-- PRODUCT CRUD OPERATIONS
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-- Create Product (INSERT)
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INSERT INTO
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Product (
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ProductID,
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Name,
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Price,
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StockQuantity,
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UserID,
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Description,
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CategoryID
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)
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VALUES
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(
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1,
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'Smartphone',
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599.99,
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50,
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1,
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'Latest model smartphone with amazing features',
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1
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);
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-- Add product images with the placeholder URL
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INSERT INTO
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Image_URL (URL, ProductID)
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VALUES
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('https://picsum.photos/id/237/200/300', 1),
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('https://picsum.photos/id/237/200/300', 1);
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-- Create another product for recommendations
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INSERT INTO
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Product (
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ProductID,
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Name,
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Price,
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StockQuantity,
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UserID,
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Description,
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CategoryID
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)
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VALUES
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(
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2,
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'Tablet',
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799.99,
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30,
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1,
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'High-performance tablet',
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1
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);
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-- Add placeholder images for the second product
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INSERT INTO
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Image_URL (URL, ProductID)
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VALUES
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('https://picsum.photos/id/237/200/300', 2),
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('https://picsum.photos/id/237/200/300', 2);
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-- Read Product (SELECT)
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SELECT
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p.*,
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c.Name as CategoryName,
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u.Name as SellerName,
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i.URL as ImageURL
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FROM
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Product p
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JOIN Category c ON p.CategoryID = c.CategoryID
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JOIN User u ON p.UserID = u.UserID
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LEFT JOIN Image_URL i ON p.ProductID = i.ProductID
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WHERE
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p.ProductID = 1;
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-- Update Product (UPDATE)
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UPDATE Product
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SET
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Name = 'Premium Smartphone',
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Price = 649.99,
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StockQuantity = 45,
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Description = 'Updated description with new features'
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WHERE
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ProductID = 1;
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-- CATEGORY CRUD OPERATIONS
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-- Create Category (INSERT)
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INSERT INTO
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Category (CategoryID, Name)
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VALUES
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(6, 'Toys & Games');
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-- Read Category (SELECT)
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SELECT
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*
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FROM
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Category
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WHERE
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CategoryID = 6;
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-- Update Category (UPDATE)
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UPDATE Category
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SET
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Name = 'Toys & Children''s Games'
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WHERE
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CategoryID = 6;
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-- REVIEW OPERATIONS
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INSERT INTO
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Review (ReviewID, UserID, ProductID, Comment, Rating)
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VALUES
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(
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1,
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1,
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1,
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'Great product, very satisfied with the purchase!',
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5
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);
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-- TRANSACTION OPERATIONS
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INSERT INTO
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Transaction (TransactionID, UserID, ProductID, PaymentStatus)
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VALUES
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(1, 1, 1, 'Completed');
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-- HISTORY OPERATIONS
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INSERT INTO
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History (HistoryID, UserID, ProductID)
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VALUES
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(1, 1, 1);
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-- Read History (SELECT)
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SELECT
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h.*,
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p.Name as ProductName
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FROM
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History h
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JOIN Product p ON h.ProductID = p.ProductID
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WHERE
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h.UserID = 1
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ORDER BY
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h.Date DESC;
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-- FAVORITES OPERATIONS
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INSERT INTO
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Favorites (UserID, ProductID)
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VALUES
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(1, 1);
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-- Read Favorites (SELECT)
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SELECT
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f.*,
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p.Name as ProductName,
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p.Price
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FROM
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Favorites f
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JOIN Product p ON f.ProductID = p.ProductID
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WHERE
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f.UserID = 1;
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-- RECOMMENDATION OPERATIONS
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INSERT INTO
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Recommendation (RecommendationID_PK, UserID, RecommendedProductID)
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VALUES
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(1, 1, 2);
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-- Read Recommendations (SELECT)
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SELECT
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r.*,
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p.Name as RecommendedProductName,
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p.Price,
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p.Description
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FROM
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Recommendation r
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JOIN Product p ON r.RecommendedProductID = p.ProductID
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WHERE
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r.UserID = 1;
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-- Authentication Operations
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-- Create verification code
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INSERT INTO
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AuthVerification (Email, VerificationCode)
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VALUES
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('new_user@example.com', '123456');
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-- Update authentication status
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UPDATE AuthVerification
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SET
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Authenticated = TRUE
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WHERE
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Email = 'new_user@example.com'
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AND VerificationCode = '123456';
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-- Get top-selling products
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SELECT
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p.ProductID,
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p.Name,
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COUNT(t.TransactionID) as SalesCount,
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SUM(p.Price) as TotalRevenue
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FROM
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Product p
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JOIN Transaction t ON p.ProductID = t.ProductID
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WHERE
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t.PaymentStatus = 'Completed'
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GROUP BY
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p.ProductID,
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p.Name
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ORDER BY
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SalesCount DESC
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LIMIT
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10;
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-- Get highest-rated products
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SELECT
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p.ProductID,
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p.Name,
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AVG(r.Rating) as AverageRating,
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COUNT(r.ReviewID) as ReviewCount
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FROM
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Product p
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JOIN Review r ON p.ProductID = r.ProductID
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GROUP BY
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p.ProductID,
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p.Name
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HAVING
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ReviewCount >= 5
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ORDER BY
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AverageRating DESC
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LIMIT
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10;
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-- Get user purchase history with product details
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SELECT
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t.TransactionID,
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t.Date,
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p.Name,
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p.Price,
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t.PaymentStatus
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FROM
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Transaction t
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JOIN Product p ON t.ProductID = p.ProductID
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WHERE
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t.UserID = 1
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ORDER BY
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t.Date DESC;
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