Relationales DB Flashcards

1
Q

Definition relationales Datenbank

A

Daten in Relationen als Tabellen abgelegt

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2
Q

Mögliche Operationen der rel. DB

A

Auswählen von Tabellen, Reduzieren bzw. Kombinieren einzelner Tabellen

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3
Q

Konzeptuelles Modell

A

Entity-Relationship-Modell

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4
Q

Logischer Entwurf

A

Rel. DBM, Relationenalgebra, Relationenkalkül

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