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UGC-NET | UGC NET CS 2016 Aug - III | Question 7
Which of the following statements is/are True regarding some advantages that an object-oriented DBMS (OODBMS) offers over a relational database ?
I. An OODBMS avoids the “impedance mismatch” problem.
II. An OODBMS avoids the “phantom” problem.
III. An OODBMS provides higher performance concurrency control than most relational databases.
IV. An OODBMS provides faster access to individual data objects once they have been read from disk.
(A)
II and III only
(B)
I and IV only
(C)
I, II, and III only
(D)
I, III and IV only
Answer
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