Database Systems Practice Test 300

Database Authorization Multiple Choice Questions (MCQ) PDF - 300

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Database Authorization Questions and Answers PDF Download: Quiz 300

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

A) Non acceptable behavior

B) Acceptable behavior

C) By default behavior

D) Not encouraged behavior

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

A) End of the statements

B) Before ranking

C) After ranking

D) After sequencing

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

A) Relational and Object-based data model

B) Entity relationship and Object-based data model

C) Rational and Object-based Data model

D) Semi-structured and Object-based data model

MCQ 1499: Each database product that supports JDBC provides a

A) JDBC manager

B) JDBC driver

C) JDBC administrator

D) 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

A) Union of R1 and R2

B) Projection of R1 and R2

C) Concatenation of R1 and R2

D) Selection of R1 and R2

Database Systems Exam Prep Tests

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Java Database Connectivity (JDBC) MCQs

Structure of Relational Model MCQs

Functional Dependency Theory MCQs

Database Triggers MCQs

Relational Operations MCQs

Nested Subqueries MCQs

DBMS: Selection Operation MCQs

SQL Data Types and Schemas MCQs

Specialization MCQs

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