Question: Which constraint requires that the binary relationship indicate all combinations that must appear in the ternary relationship?
Options
A : MUST COVER
B : MUST NOT
C : Both of the above.
D : None of the above is correct.
Data Models into Database Designs - General Questions more questions
The identifier of an entity will become the ________ of....
Which of the following data constraints would be used to....
A unique, DBMS-supplied identifier used as the primary key of....
Which is not true about surrogate keys?
For every relationship, how many possible types of actions are....
Each entity is represented as a(n):
For every relationship, how many possible sets of minimum cardinalities....
If a relationship has a cascade updates constraint, then if....
Which of the following column properties would be used to....
The XSLT processor copies the elements of the stylesheet until....
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