Database Authorization MCQ with Answers PDF Download – Test 300

MCQ 1496: In most database systems, cascading revocation is the:

1. Non acceptable behavior
2. Acceptable behavior
3. By default behavior
4. Not encouraged behavior

MCQ 1497: When ranking is performed along with a groupby clause, the operation of the group by is calculated:

1. End of the statements
2. Before ranking
3. After ranking
4. After sequencing

MCQ 1498: Object-oriented data model combines features of the:

1. Relational and Object-based data model
2. Entity relationship and Object-based data model
3. Rational and Object-based Data model
4. Semi-structured and Object-based data model

MCQ 1499: Each database product that supports JDBC provides a:

1. JDBC manager
2. JDBC driver
3. JDBC administrator
4. JDBC host

MCQ 1500: If we have relations of type r1(R1) and r2(R2), then r1 . r2 is a relation whose schema is the:

1. Union of R1 and R2
2. Projection of R1 and R2
3. Concatenation of R1 and R2
4. Selection of R1 and R2