kzahhhh3404 kzahhhh3404

09-03-2020
Computers and Technology

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Composite primary keys are particularly useful as identifiers of composite entities, where each primary key combination is allowed only once in the _____ relationship.

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yoodyannapolis yoodyannapolis

12-03-2020

Answer:

M:N is the correct answer of this question.

Explanation:

M:N relationship is known as many to many relationship.

There is a many-to-many relationship when numerous data in a table are connected to duplicate entries from another table.The multiple-to-many relation is typically a duplicate of the true-life association between entities represented by the two or more tables.

A Relation is a kind of fractal dimension corresponding to the partnership between two entities.
A and B where A may comprise a case of a parent and therefore there are numerous children in B, and opposite of that also occur.

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