44 lines
1.2 KiB
SQL
44 lines
1.2 KiB
SQL
DROP DATABASE IF EXISTS `products`;
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CREATE DATABASE `products`;
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USE `products`;
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CREATE TABLE `product` (
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`id` int unsigned NOT NULL AUTO_INCREMENT,
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`name` varchar(100) NOT NULL,
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`price` float NOT NULL,
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`sku` varchar(100) NOT NULL,
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PRIMARY KEY (`id`),
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UNIQUE KEY `sku` (`sku`)
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);
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CREATE TABLE `book` (
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`id` int unsigned NOT NULL AUTO_INCREMENT,
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`weight` float NOT NULL,
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`product_id` int unsigned NOT NULL,
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PRIMARY KEY (`id`),
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UNIQUE KEY `book_UN` (`product_id`),
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CONSTRAINT `book_FK` FOREIGN KEY (`product_id`) REFERENCES `product` (`id`)
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);
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CREATE TABLE `dvd` (
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`id` int unsigned NOT NULL AUTO_INCREMENT,
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`product_id` int unsigned NOT NULL,
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`size` float NOT NULL,
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PRIMARY KEY (`id`),
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UNIQUE KEY `dvd_UN` (`product_id`),
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CONSTRAINT `dvd_FK` FOREIGN KEY (`product_id`) REFERENCES `product` (`id`)
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);
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CREATE TABLE `furniture` (
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`id` int unsigned NOT NULL AUTO_INCREMENT,
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`product_id` int unsigned NOT NULL,
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`width` float NOT NULL,
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`height` float NOT NULL,
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`length` float NOT NULL,
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PRIMARY KEY (`id`),
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UNIQUE KEY `furniture_UN` (`product_id`),
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CONSTRAINT `furniture_FK` FOREIGN KEY (`product_id`) REFERENCES `product` (`id`)
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);
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