8 lines
334 B
SQL
8 lines
334 B
SQL
CREATE TABLE IF NOT EXISTS schedule_teachers (
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id INT AUTO_INCREMENT PRIMARY KEY,
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schedule_id INT NOT NULL,
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teacher_id INT NOT NULL,
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FOREIGN KEY (schedule_id) REFERENCES schedules(id) ON DELETE CASCADE,
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FOREIGN KEY (teacher_id) REFERENCES teachers(id) ON DELETE CASCADE,
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UNIQUE KEY (schedule_id, teacher_id)
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); |