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Jul 6th, 2015
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MySQL 0.54 KB | None | 0 0
  1. CREATE database gyak2;
  2. USE gyak2;
  3. CREATE TABLE Ugyfel(ID int NOT NULL AUTO_INCREMENT PRIMARY KEY, Nev varchar(50) NOT
  4.  
  5. NULL);
  6. CREATE TABLE Szerverek(ID int NOT NULL AUTO_INCREMENT PRIMARY KEY, Hostnev varchar(50)
  7.  
  8. NOT NULL);
  9. CREATE TABLE KapcsTab(ugyfel_ID int NOT NULL, FOREIGN KEY(ugyfel_ID) REFERENCES Ugyfel
  10.  
  11. (ID), szerver_ID int NOT NULL, FOREIGN KEY(szerver_ID) REFERENCES Szerverek(ID));
  12.  
  13. SELECT Ugyfel.Nev, Szerverek.Hostnev FROM KapcsTab
  14. JOIN Ugyfel ON Ugyfel.ID=KapcsTab.ugyfel_ID
  15. JOIN Szerverek ON Szerverek.ID=KapcsTab.szerver_ID;
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