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Aug 19th, 2017
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SQL 0.49 KB | None | 0 0
  1. DROP TRIGGER trFahrzeuge2
  2. CREATE TRIGGER trFahrzeuge2
  3. ON tblFahrzeugReservierung
  4. FOR INSERT, UPDATE
  5. AS
  6.     SET NOCOUNT ON
  7.     -- überprüfen ob PersonID in FahrzeugID->AbtlgID
  8.     IF (SELECT AbtlgID FROM tblFahrzeuge F
  9.         INNER JOIN inserted ON FahrzeugID = F.ID) != (SELECT PersAbtlg FROM tblPersonal P
  10.                                                         INNER JOIN inserted ON PersonID = P.PersNr)
  11.     BEGIN
  12.         print 'Sie sind nicht befugt dieses Fahrzeug zu reservieren!'
  13.         ROLLBACK TRANSACTION
  14.     END
  15.     ELSE
  16.         print 'Abteilung OK'
  17. RETURN
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