23 lines
962 B
SQL
23 lines
962 B
SQL
-- Create responses table
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CREATE TABLE IF NOT EXISTS `responses` (
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`id` int(11) NOT NULL AUTO_INCREMENT,
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`survey_id` int(11) NOT NULL,
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`submitted_at` timestamp NOT NULL DEFAULT current_timestamp(),
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PRIMARY KEY (`id`),
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KEY `survey_id` (`survey_id`),
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CONSTRAINT `responses_ibfk_1` FOREIGN KEY (`survey_id`) REFERENCES `surveys` (`id`) ON DELETE CASCADE
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
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-- Create answers table
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CREATE TABLE IF NOT EXISTS `answers` (
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`id` int(11) NOT NULL AUTO_INCREMENT,
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`response_id` int(11) NOT NULL,
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`question_id` int(11) NOT NULL,
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`answer_value` text DEFAULT NULL,
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PRIMARY KEY (`id`),
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KEY `response_id` (`response_id`),
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KEY `question_id` (`question_id`),
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CONSTRAINT `answers_ibfk_1` FOREIGN KEY (`response_id`) REFERENCES `responses` (`id`) ON DELETE CASCADE,
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CONSTRAINT `answers_ibfk_2` FOREIGN KEY (`question_id`) REFERENCES `questions` (`id`) ON DELETE CASCADE
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
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