12 lines
534 B
SQL
12 lines
534 B
SQL
CREATE TABLE IF NOT EXISTS student_exams (
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id INT AUTO_INCREMENT PRIMARY KEY,
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exam_id INT NOT NULL,
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student_id INT NOT NULL,
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status ENUM('assigned', 'in-progress', 'completed') DEFAULT 'assigned',
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score INT,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
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FOREIGN KEY (exam_id) REFERENCES exams(id) ON DELETE CASCADE,
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FOREIGN KEY (student_id) REFERENCES users(id) ON DELETE CASCADE,
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UNIQUE KEY (exam_id, student_id)
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); |