7 lines
376 B
SQL
7 lines
376 B
SQL
CREATE TABLE IF NOT EXISTS `elective_group_subjects` (
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`elective_group_id` INT NOT NULL,
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`subject_id` INT NOT NULL,
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PRIMARY KEY (`elective_group_id`, `subject_id`),
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FOREIGN KEY (`elective_group_id`) REFERENCES `elective_groups`(`id`) ON DELETE CASCADE,
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FOREIGN KEY (`subject_id`) REFERENCES `subjects`(`id`) ON DELETE CASCADE
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4; |