[SQL] Updated for proper usage
Signed-off-by: Jim Martens <github@2martens.de>
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@ -1,81 +1,94 @@
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CREATE TABLE EstateAgent (
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ID INT NOT NULL PRIMARY KEY GENERATED ALWAYS AS IDENTITY (START WITH 1, INCREMENT BY 1, NOCYCLE),
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name VARCHAR(255) NOT NULL,
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address VARCHAR(255) NOT NULL,
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login VARCHAR(255) UNIQUE NOT NULL,
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password VARCHAR(255) NULL
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CREATE TABLE VSISP12.EstateAgent
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(
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ID INT PRIMARY KEY NOT NULL GENERATED ALWAYS AS IDENTITY(START WITH 1 INCREMENT BY 1),
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name VARCHAR(255) DEFAULT '' NOT NULL,
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address VARCHAR(255) DEFAULT '' NOT NULL,
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login VARCHAR(255) DEFAULT '' NOT NULL,
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password VARCHAR(255)
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);
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CREATE UNIQUE INDEX EstateAgent_login_uindex ON VSISP12.EstateAgent (login);
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CREATE TABLE VSISP12.Estate
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(
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ID INT PRIMARY KEY NOT NULL GENERATED ALWAYS AS IDENTITY(START WITH 1 INCREMENT BY 1),
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city VARCHAR(255) DEFAULT 'Musterstadt' NOT NULL,
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postalCode VARCHAR(5) DEFAULT '00000' NOT NULL,
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street VARCHAR(255) DEFAULT 'Musterstraße' NOT NULL,
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streetNumber SMALLINT DEFAULT 0 NOT NULL,
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squareArea INT DEFAULT 0 NOT NULL,
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agent INT NOT NULL,
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CONSTRAINT Estate_ESTATEAGENT_ID_fk FOREIGN KEY (agent) REFERENCES ESTATEAGENT (ID)
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);
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CREATE TABLE Estate (
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ID int NOT NULL PRIMARY KEY GENERATED ALWAYS AS IDENTITY (START WITH 1, INCREMENT BY 1, NOCYCLE),
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city VARCHAR(255) NOT NULL,
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postalCode VARCHAR(5) NOT NULL,
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street VARCHAR(255) NOT NULL,
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streetNumber int NOT NULL,
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squareArea int NOT NULL,
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agent VARCHAR(255),
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FOREIGN KEY (agent) REFERENCES EstateAgent(ID)
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CREATE TABLE VSISP12.Apartment
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(
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ID INT PRIMARY KEY NOT NULL,
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floor SMALLINT DEFAULT 0 NOT NULL,
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rent INT DEFAULT 0 NOT NULL,
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rooms SMALLINT DEFAULT 1 NOT NULL,
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balcony SMALLINT DEFAULT 0 NOT NULL,
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builtInKitchen SMALLINT DEFAULT 1 NOT NULL,
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CONSTRAINT Apartment_ESTATE_ID_fk FOREIGN KEY (ID) REFERENCES ESTATE (ID)
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);
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CREATE TABLE Apartment (
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ID int NOT NULL PRIMARY KEY GENERATED ALWAYS AS IDENTITY (START WITH 1, INCREMENT BY 1, NOCYCLE),
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floor int NOT NULL,
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rent int NOT NULL,
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rooms int NOT NULL,
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balcony SMALLINT NOT NULL,
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builtInKitchen SMALLINT NOT NULL ,
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FOREIGN KEY (ID) REFERENCES Estate(ID)
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CREATE TABLE VSISP12.House
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(
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ID INT PRIMARY KEY NOT NULL,
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price INT DEFAULT 0 NOT NULL,
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garden SMALLINT DEFAULT 0 NOT NULL,
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CONSTRAINT House_ESTATE_ID_fk FOREIGN KEY (ID) REFERENCES ESTATE (ID)
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);
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CREATE TABLE House (
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ID int NOT NULL PRIMARY KEY GENERATED ALWAYS AS IDENTITY (START WITH 1, INCREMENT BY 1, NOCYCLE),
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price int NOT NULL,
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garden SMALLINT NOT NULL,
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FOREIGN KEY (ID) REFERENCES Estate(ID)
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CREATE TABLE VSISP12.Contract
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(
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contractNumber INT PRIMARY KEY NOT NULL GENERATED ALWAYS AS IDENTITY(START WITH 1 INCREMENT BY 1),
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date DATE,
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place VARCHAR(255) DEFAULT 'Musterstadt' NOT NULL
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);
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CREATE TABLE Contract (
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contractNumber int NOT NULL PRIMARY KEY GENERATED ALWAYS AS IDENTITY (START WITH 1, INCREMENT BY 1, NOCYCLE),
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date DATE NOT NULL,
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place VARCHAR(255) NOT NULL
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CREATE TABLE VSISP12.PurchaseContract
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(
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contractNumber INT PRIMARY KEY NOT NULL,
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numberOfInstallments SMALLINT DEFAULT 0 NOT NULL,
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interestRate SMALLINT DEFAULT 0 NOT NULL,
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CONSTRAINT PurchaseContract_CONTRACT_CONTRACTNUMBER_fk FOREIGN KEY (contractNumber) REFERENCES CONTRACT (CONTRACTNUMBER)
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);
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CREATE TABLE PurchaseContract (
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contractNumber int NOT NULL PRIMARY KEY,
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numberOfInstallments int NOT NULL,
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interestRate int NOT NULL,
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FOREIGN KEY (contractNumber) REFERENCES Contract(contractNumber)
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CREATE TABLE VSISP12.TenancyContract
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(
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contractNumber INT PRIMARY KEY NOT NULL,
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startDate TIMESTAMP,
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duration TIMESTAMP,
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additionalCosts INT DEFAULT 0 NOT NULL,
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CONSTRAINT TenancyContract_CONTRACT_CONTRACTNUMBER_fk FOREIGN KEY (contractNumber) REFERENCES CONTRACT (CONTRACTNUMBER)
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);
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CREATE TABLE TenancyContract (
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contractNumber int NOT NULL PRIMARY KEY,
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startDate DATE NOT NULL,
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duration int NOT NULL,
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additionalCosts int NOT NULL,
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FOREIGN KEY (contractNumber) REFERENCES Contract(contractNumber)
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CREATE TABLE VSISP12.Person
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(
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ID INT PRIMARY KEY NOT NULL GENERATED ALWAYS AS IDENTITY(START WITH 1 INCREMENT BY 1),
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firstName VARCHAR(255) DEFAULT 'Max' NOT NULL,
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name VARCHAR(255) DEFAULT 'Mustermann' NOT NULL,
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address VARCHAR(255) DEFAULT 'Musterstraße' NOT NULL
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);
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CREATE TABLE Person (
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ID int NOT NULL PRIMARY KEY GENERATED ALWAYS AS IDENTITY (START WITH 1, INCREMENT BY 1, NOCYCLE),
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firstName VARCHAR(255) NOT NULL,
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name VARCHAR(255) NOT NULL,
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address VARCHAR(255) NOT NULL
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CREATE TABLE VSISP12.Sales
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(
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contractNumber INT PRIMARY KEY NOT NULL,
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person INT NOT NULL,
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house INT NOT NULL,
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CONSTRAINT Sales_PURCHASECONTRACT_CONTRACTNUMBER_fk FOREIGN KEY (contractNumber) REFERENCES PURCHASECONTRACT (CONTRACTNUMBER),
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CONSTRAINT Sales_PERSON_ID_fk FOREIGN KEY (person) REFERENCES PERSON (ID),
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CONSTRAINT Sales_HOUSE_ID_fk FOREIGN KEY (house) REFERENCES HOUSE (ID)
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);
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CREATE UNIQUE INDEX Sales_house_uindex ON VSISP12.Sales (house);
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CREATE TABLE Sales (
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contractNumber int NOT NULL PRIMARY KEY,
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personID int NOT NULL,
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house int UNIQUE NOT NULL,
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FOREIGN KEY (contractNumber) REFERENCES PurchaseContract(contractNumber),
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FOREIGN KEY (personID) REFERENCES Person(ID),
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FOREIGN KEY (house) REFERENCES House(ID)
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CREATE TABLE VSISP12.Rentals
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(
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contractNumber INT PRIMARY KEY NOT NULL,
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person INT NOT NULL,
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apartment INT NOT NULL,
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CONSTRAINT Rentals_TENANCYCONTRACT_CONTRACTNUMBER_fk FOREIGN KEY (contractNumber) REFERENCES TENANCYCONTRACT (CONTRACTNUMBER),
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CONSTRAINT Rentals_PERSON_ID_fk FOREIGN KEY (person) REFERENCES PERSON (ID),
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CONSTRAINT Rentals_APARTMENT_ID_fk FOREIGN KEY (apartment) REFERENCES APARTMENT (ID)
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);
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CREATE TABLE Rentals (
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contractNumber int NOT NULL PRIMARY KEY,
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personID int NOT NULL,
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apartment int UNIQUE NOT NULL,
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FOREIGN KEY (contractNumber) REFERENCES TenancyContract(contractNumber),
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FOREIGN KEY (personID) REFERENCES Person(ID),
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FOREIGN KEY (apartment) REFERENCES Apartment(ID)
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);
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CREATE UNIQUE INDEX Rentals_apartment_uindex ON VSISP12.Rentals (apartment);
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