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AE-DB-2.3

Oct 1st, 2021
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SQL 0.55 KB | None | 0 0
  1. -- 2.3.1
  2. ALTER TABLE artikel ADD FOREIGN KEY (herstellernummer) REFERENCES hersteller (herstellernummer) ON DELETE CASCADE;
  3. (ALTER TABLE `artikel` ADD CONSTRAINT `artikel_ibfk_1` FOREIGN KEY (`herstellernummer`) REFERENCES `hersteller`(`herstellernummer`) ON DELETE CASCADE)
  4. SHOW INDEX FROM artikel;
  5.  
  6. -- 2.3.2
  7. ALTER TABLE bestellung ADD FOREIGN KEY (artikelnummer) REFERENCES artikel (artikelnummer) ON DELETE CASCADE;
  8. ALTER TABLE bestellung ADD FOREIGN KEY (kundennummer) REFERENCES person (personennummer) ON DELETE CASCADE; SHOW INDEX FROM bestellung;
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