Add database schema SQL

database/schema.sql

@@ -0,0 +1,42 @@
+CREATE DATABASE `products`;
+
+USE `products`;
+
+CREATE TABLE `product` (
+  `id` int unsigned NOT NULL AUTO_INCREMENT,
+  `name` varchar(100) NOT NULL,
+  `price` float NOT NULL,
+  `sku` varchar(100) NOT NULL,
+  PRIMARY KEY (`id`),
+  UNIQUE KEY `sku` (`sku`)
+)
+
+CREATE TABLE `book` (
+  `id` int unsigned NOT NULL AUTO_INCREMENT,
+  `weight` float NOT NULL,
+  `product_id` int unsigned NOT NULL,
+  PRIMARY KEY (`id`),
+  UNIQUE KEY `book_UN` (`product_id`),
+  CONSTRAINT `book_FK` FOREIGN KEY (`product_id`) REFERENCES `product` (`id`)
+)
+
+CREATE TABLE `dvd` (
+  `id` int unsigned NOT NULL AUTO_INCREMENT,
+  `product_id` int unsigned NOT NULL,
+  `size` int unsigned NOT NULL,
+  PRIMARY KEY (`id`),
+  UNIQUE KEY `dvd_UN` (`product_id`),
+  CONSTRAINT `dvd_FK` FOREIGN KEY (`product_id`) REFERENCES `product` (`id`)
+)
+
+CREATE TABLE `furniture` (
+  `id` int unsigned NOT NULL AUTO_INCREMENT,
+  `product_id` int unsigned NOT NULL,
+  `width` float NOT NULL,
+  `height` float NOT NULL,
+  `length` float NOT NULL,
+  PRIMARY KEY (`id`),
+  UNIQUE KEY `furniture_UN` (`product_id`),
+  CONSTRAINT `furniture_FK` FOREIGN KEY (`product_id`) REFERENCES `product` (`id`)
+)
+