10 lines
463 B
SQL
10 lines
463 B
SQL
CREATE TABLE IF NOT EXISTS `competition_participants` (
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`id` INT AUTO_INCREMENT PRIMARY KEY,
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`user_id` INT NOT NULL,
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`competition_id` INT NOT NULL,
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`created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (`user_id`) REFERENCES `users`(`id`) ON DELETE CASCADE,
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FOREIGN KEY (`competition_id`) REFERENCES `competitions`(`id`) ON DELETE CASCADE,
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UNIQUE KEY `user_competition` (`user_id`, `competition_id`)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
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