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Author Question: Two or more primary keys of other database tables that, together, become the unique identifier or ... (Read 90 times)

futuristic

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Question 1

The primary key for M:N relationship tables
◦ is a single attribute.
◦ always consists of two attributes.
◦ is the primary key of the most important entity linked to that relationship.
◦ does not exist. Many-to-many relationship tables only use foreign keys.

Question 2

Two or more primary keys of other database tables that, together, become the unique identifier or primary key of an M:N relationship table are called
◦ two attributes keys.
◦ concatenated keys.
◦ connecteated keys.
◦ conjoined keys.


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Marked as best answer by futuristic on Apr 8, 2019

momo1250

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