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CREATE TABLE Bolum (
id INT PRIMARY KEY,
isim VARCHAR(100),
mudur VARCHAR(100)
);
-- PERSONEL tablosu
CREATE TABLE Personel (
id INT PRIMARY KEY,
isim VARCHAR(100),
dogum_tarihi DATE,
maas DECIMAL(10,2),
bolum_id INT,
FOREIGN KEY (bolum_id) REFERENCES Bolum(id)
);
-- MUSTERI tablosu
CREATE TABLE Musteri (
id INT PRIMARY KEY,
isim VARCHAR(100),
dogum_tarihi DATE
);
-- PERSONEL ile BOLUM arasındaki ilişki (Calisir) başlangıç tarihi içeriyor
CREATE TABLE Calisir (
personel_id INT,
bolum_id INT,
baslangic_tarihi DATE,
PRIMARY KEY (personel_id, bolum_id),
FOREIGN KEY (personel_id) REFERENCES Personel(id),
FOREIGN KEY (bolum_id) REFERENCES Bolum(id)
);
-- Yonetici ilişkisi: Bir personel bir bölümün yöneticisi olabilir
CREATE TABLE Yonetici (
personel_id INT PRIMARY KEY,
bolum_id INT,
FOREIGN KEY (personel_id) REFERENCES Personel(id),
FOREIGN KEY (bolum_id) REFERENCES Bolum(id)
);
-- Alisveris ilişkisi: Musteri ile Bolum arasında
CREATE TABLE Alisveris (
musteri_id INT,
bolum_id INT,
PRIMARY KEY (musteri_id, bolum_id),
FOREIGN KEY (musteri_id) REFERENCES Musteri(id),
FOREIGN KEY (bolum_id) REFERENCES Bolum(id)
);
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