Question: A unique, DBMS-supplied identifier used as the primary key of a relation is called a(n):
Options
A : primary key.
B : foreign key.
C : composite key.
D : surrogate key.
Data Models into Database Designs - General Questions more questions
Which of the following columns is(are) are required in a....
In a 1:1 relationship, the foreign key is placed in:
Which of the following column properties would be used to....
The identifier of an entity will become the ________ of....
Which of the following data constraints would be used to....
Which is not true about surrogate keys?
For every relationship, how many possible types of actions are....
Which constraint requires that the binary relationship indicate all combinations....
Each entity is represented as a(n):
For every relationship, how many possible sets of minimum cardinalities....
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