Question: Which statement(s) is/are correct? Statement A: The impedance mismatch problem can be solved by using middleware to map data structures between the DBMS and the

Which statement(s) is/are correct? Statement A: The impedance mismatch problem can be solved by using middleware to map data structures between the DBMS and the DDL statements. Statement B: An object-oriented host language such as Java combined with a document-oriented DBMS such as MongoDB does not require mapping objects to documents and vice versa.

a. Only A.

b. Only B.

c. A and B.

d. Neither A nor B.

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