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29 June, 09:51

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. 29 June, 11:30
    0
    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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