# 创建宠物数据库 CREATE DATABASE db_pet; # 宠物主人表 CREATE TABLE MasterPet( `MasterID` INT COMMENT '宠物主人' PRIMARY KEY, `LoginName` CHAR(10) COMMENT '主人名', `LoginPwd` CHAR(10) COMMENT '登录密码', `Price` INT COMMENT '余额' ) # 宠物商店表 CREATE TABLE ShopPet( `ShopID` int COMMENT '商店编号' PRIMARY KEY, `LoginName` CHAR(10) COMMENT '商店名', `LoginPwd` CHAR(10) COMMENT '登录密码', `Price` int COMMENT '账目余额' ) # 宠物信息表 CREATE TABLE pet( `PetID` int COMMENT '宠物编号' PRIMARY KEY, `MasterID` int COMMENT '主人编号', FOREIGN KEY(`MasterID`) REFERENCES masterpet(`MasterID`), `ShopID` int COMMENT '商店编号', FOREIGN KEY(`ShopID`) REFERENCES shoppet(`ShopID`), `RegisterName` char(10) COMMENT '宠物名', `TypeName` char(255) COMMENT '类型名', `HealthValue` int COMMENT '健康值', `Intimate` int COMMENT '亲密度', `Datebirth` TIMESTAMP COMMENT '出生日期' ) # 交易类型 CREATE TABLE TypeDeal( `TypeID` INT COMMENT '类型编号' PRIMARY KEY, `DealType` VARCHAR(20) COMMENT '交易类型' not null ) # 账目信息表 CREATE TABLE accounts( `AccountsID` INT COMMENT
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