19 lines
590 B
SQL
19 lines
590 B
SQL
-- Create the main User table with auto-incrementing ID
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CREATE TABLE Users (
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ID 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 a separate table for the multi-valued Role attribute
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CREATE TABLE UserRole (
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UserID INT,
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Role VARCHAR(20) NOT NULL, -- Contains 'Buyer', 'Seller', or 'Admin'
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PRIMARY KEY (UserID, Role),
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FOREIGN KEY (UserID) REFERENCES Users (ID) ON DELETE CASCADE
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);
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