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Card 1 of 21

In OCR ERD notation, what does a rectangle represent?

A

An entity.

B

An instance.

C

A relationship.

D

An attribute.

Card 1 of 21

Entity relationship diagrams Flashcards

  1. A Level
  2. /Computer Science
  3. /Entity relationship diagrams

21 flashcards on OCR A Level Computer Science Entity relationship diagrams: the key terms and definitions you need to recall.

Flashcards