A unique, DBMS-supplied identifier used as the primary key of a relation is called a(n): Options: A . &nbspcomposite key. B . &nbspprimary key. C . &nbspsurrogate key. D . &nbspforeign key.

A unique, DBMS-supplied identifier used as the primary key of a relation is call

Question - A unique, DBMS-supplied identifier used as the primary key of a relation is called a(n):

Options:

A . composite key.

B . primary key.

C . surrogate key.

D . foreign key.

Answer: Option C

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