89 lines
2.5 KiB
MySQL
89 lines
2.5 KiB
MySQL
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-- User Entity
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CREATE TABLE User (
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UserID_PK INT PRIMARY KEY,
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Password VARCHAR(255),
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IP VARCHAR(15),
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Name VARCHAR(100),
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Email VARCHAR(255),
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UCID VARCHAR(20),
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Phone VARCHAR(20),
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Role VARCHAR(50),
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Address VARCHAR(255)
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);
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-- Buyer, Seller, Admin are roles within User (handled by Role attribute)
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-- Product Entity
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CREATE TABLE Product (
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ProductID_PK INT PRIMARY KEY,
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ProductID VARCHAR(50),
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Price DECIMAL(10, 2),
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Description TEXT,
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StockQuantity INT
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);
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-- Category Entity
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CREATE TABLE Category (
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CategoryID_PK INT PRIMARY KEY,
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Name VARCHAR(100)
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);
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-- 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_FK INT,
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ProductID_FK INT,
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Comment TEXT,
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Rating INT CHECK (Rating >= 1 AND Rating <= 5),
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Date DATE,
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FOREIGN KEY (UserID_FK) REFERENCES User(UserID_PK),
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FOREIGN KEY (ProductID_FK) REFERENCES Product(ProductID_PK)
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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_PK INT PRIMARY KEY,
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UserID_FK INT,
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ProductID_FK INT,
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Date DATE,
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PaymentStatus VARCHAR(50),
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FOREIGN KEY (UserID_FK) REFERENCES User(UserID_PK),
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FOREIGN KEY (ProductID_FK) REFERENCES Product(ProductID_PK)
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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_FK INT,
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RecommendedProductID_FK INT,
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FOREIGN KEY (UserID_FK) REFERENCES User(UserID_PK),
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FOREIGN KEY (RecommendedProductID_FK) REFERENCES Product(ProductID_PK)
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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_FK INT,
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ProductID_FK INT,
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TimeStamp DATETIME,
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FOREIGN KEY (UserID_FK) REFERENCES User(UserID_PK),
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FOREIGN KEY (ProductID_FK) REFERENCES Product(ProductID_PK)
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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 PRIMARY KEY,
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UserID_FK INT,
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ProductID_FK INT,
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FOREIGN KEY (UserID_FK) REFERENCES User(UserID_PK),
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FOREIGN KEY (ProductID_FK) REFERENCES Product(ProductID_PK)
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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_FK INT,
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CategoryID_FK INT,
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PRIMARY KEY (ProductID_FK, CategoryID_FK),
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FOREIGN KEY (ProductID_FK) REFERENCES Product(ProductID_PK),
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FOREIGN KEY (CategoryID_FK) REFERENCES Category(CategoryID_PK)
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);
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