74 lines
2.6 KiB
MySQL
74 lines
2.6 KiB
MySQL
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-- DROP SCHEMA tutorial;
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-- ALTER TABLE tutorial.Department DROP FOREIGN KEY Department_FK_headId;
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DROP TABLE IF EXISTS tutorial.Employee;
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DROP TABLE IF EXISTS tutorial.PostalLocation;
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DROP TABLE IF EXISTS tutorial.JobPosition;
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DROP TABLE IF EXISTS tutorial.Department;
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DROP TABLE IF EXISTS tutorial.Room;
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DROP TABLE IF EXISTS tutorial.AcademicTitle;
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CREATE SCHEMA IF NOT EXISTS tutorial;
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USE tutorial;
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CREATE TABLE PostalLocation (
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id SERIAL PRIMARY KEY, -- SERIAL: BIGINT UNSIGNED AUTO_INCREMENT NOT NULL UNIQUE
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code CHAR(5) NOT NULL,
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cityName VARCHAR(20) NOT NULL,
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cityDistrictName VARCHAR(100)
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);
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CREATE TABLE AcademicTitle (
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id SERIAL PRIMARY KEY, -- SERIAL: BIGINT UNSIGNED AUTO_INCREMENT NOT NULL UNIQUE
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name CHAR(10) NOT NULL UNIQUE
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);
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CREATE TABLE JobPosition (
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id SERIAL PRIMARY KEY, -- SERIAL: BIGINT UNSIGNED AUTO_INCREMENT NOT NULL UNIQUE
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name VARCHAR(40) NOT NULL UNIQUE,
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description TEXT
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);
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CREATE TABLE Room (
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id SERIAL PRIMARY KEY, -- SERIAL: BIGINT UNSIGNED AUTO_INCREMENT NOT NULL UNIQUE
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name VARCHAR(15) NOT NULL UNIQUE,
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buildingName VARCHAR(40) NOT NULL,
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M2_area NUMERIC(5,2) NOT NULL,
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seatCount INTEGER NOT NULL,
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computerCount INTEGER NOT NULL,
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EUR_rentalAmount NUMERIC(10,2)
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);
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CREATE TABLE Department (
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id SERIAL PRIMARY KEY, -- SERIAL: BIGINT UNSIGNED AUTO_INCREMENT NOT NULL UNIQUE
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name VARCHAR(40) NOT NULL UNIQUE,
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headId BIGINT UNSIGNED,
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responsibilityDescription TEXT
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);
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CREATE TABLE Employee (
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id SERIAL PRIMARY KEY, -- SERIAL: BIGINT UNSIGNED AUTO_INCREMENT NOT NULL UNIQUE
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academicTitleId BIGINT UNSIGNED NOT NULL,
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forename VARCHAR(40),
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surname VARCHAR(50),
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positionId BIGINT UNSIGNED,
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departmentId BIGINT UNSIGNED,
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roomId BIGINT UNSIGNED,
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dateOfBirth DATE NOT NULL,
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dateOfRecruitment DATE NOT NULL,
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postalLocationId BIGINT UNSIGNED,
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houseNumber CHAR(10),
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streetName VARCHAR(100),
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EUR_GrossSalary NUMERIC(12,2),
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telephoneNumber CHAR(20),
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FOREIGN KEY(AcademicTitleId) REFERENCES AcademicTitle(id),
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FOREIGN KEY(positionId) REFERENCES JobPosition(id),
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FOREIGN KEY(departmentId) REFERENCES Department(id),
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FOREIGN KEY(roomId) REFERENCES Room(id),
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FOREIGN KEY(postalLocationId) REFERENCES PostalLocation(id)
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);
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-- Achtung: schlechtes Design: Employee und Department sind wechselseitig abhängig
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-- Der Fremdschlüssel headId auf Employee muss nachträglich ergänzt werden.
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ALTER TABLE Department ADD
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CONSTRAINT Department_FK_headId
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FOREIGN KEY(headId) REFERENCES Employee(id);
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