Demo Datebase for SQL Learning, Backend Application Example, MySQL Optimization, etc.

datebase_demo.sql

SET NAMES utf8;
SET FOREIGN_KEY_CHECKS = 0;

-- ----------------------------
--  Table structure for `component`
-- ----------------------------
DROP TABLE IF EXISTS `component`;
CREATE TABLE `component` (
  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
  `uuid` varchar(40) DEFAULT NULL,
  `name` varchar(100) DEFAULT NULL,
  `created_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP,
  `updated_at` timestamp NULL DEFAULT NULL,
  `deleted_at` timestamp NULL DEFAULT NULL,
  PRIMARY KEY (`_id`),
  KEY `unique` (`uuid`) USING BTREE,
  KEY `search` (`name`) USING BTREE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

-- ----------------------------
--  Table structure for `product`
-- ----------------------------
DROP TABLE IF EXISTS `product`;
CREATE TABLE `product` (
  `id` int(10) unsigned NOT NULL AUTO_INCREMENT COMMENT '_ID，内部自增编号',
  `uuid` varchar(40) DEFAULT NULL,
  `code` varchar(6) DEFAULT NULL,
  `name` varchar(15) DEFAULT NULL,
  `category` varchar(15) DEFAULT NULL,
  `price` decimal(4,2) DEFAULT NULL,
  `created_at` datetime DEFAULT NULL,
  `updated_at` datetime DEFAULT NULL,
  `deleted_at` datetime DEFAULT NULL,
  PRIMARY KEY (`_id`),
  UNIQUE KEY `unique_product_in_category` (`name`,`category`) USING BTREE,
  KEY `code` (`code`),
  KEY `uuid` (`uuid`)
) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

-- ----------------------------
--  Table structure for `product_component`
-- ----------------------------
DROP TABLE IF EXISTS `product_component`;
CREATE TABLE `product_component` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `uuid` varchar(40) DEFAULT NULL,
  `product_uuid` varchar(40) DEFAULT NULL,
  `component_uuid` varchar(40) DEFAULT NULL,
  `created_at` timestamp NULL DEFAULT NULL,
  `updated_at` timestamp NULL DEFAULT NULL,
  `deleted_at` timestamp NULL DEFAULT NULL,
  PRIMARY KEY (`_id`),
  KEY `unique` (`product_uuid`,`component_uuid`) USING BTREE,
  KEY `foreign` (`component_uuid`) USING BTREE,
  CONSTRAINT `foreign_component` FOREIGN KEY (`component_uuid`) REFERENCES `component` (`uuid`) ON DELETE SET NULL ON UPDATE SET NULL,
  CONSTRAINT `foreign_product` FOREIGN KEY (`product_uuid`) REFERENCES `product` (`uuid`) ON DELETE SET NULL ON UPDATE SET NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

-- ----------------------------
--  Table structure for `user`
-- ----------------------------
DROP TABLE IF EXISTS `user`;
CREATE TABLE `user` (
  `id` int(10) unsigned NOT NULL AUTO_INCREMENT COMMENT '_ID，内部自增编号',
  `uuid` varchar(40) DEFAULT NULL,
  `name` varchar(32) DEFAULT NULL,
  `password` varchar(64) DEFAULT NULL,
  `salt` varchar(64) DEFAULT NULL,
  `created_at` datetime DEFAULT NULL,
  `updated_at` datetime DEFAULT NULL,
  `deleted_at` datetime DEFAULT NULL,
  PRIMARY KEY (`_id`),
  KEY `uuid` (`uuid`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

SET FOREIGN_KEY_CHECKS = 1;