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16 October, 17:27

To implement a small database, a database designer must know the "1" and the "M" sides of each relationship and whether the relationships are mandatory or optional.

O True O False

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  1. 16 October, 18:22
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    Answer: True

    Explanation:

    The lines connecting an entity with a relationship whether single or double line refer to another constrain called "Existence Dependency Constraint" (also called "Participation Constraint").
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