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Database Systems Practice Test 40

DBMS Worksheet Multiple Choice Questions (MCQ) PDF - 40

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DBMS Worksheet Questions and Answers PDF Download: Quiz 40

MCQ 196:

The database security is responsible for providing

  1. Authentication
  2. Encryption
  3. Access control
  4. All of the Above
MCQ 197:

Execution of multiple statements in a single call is being

  1. Accepted
  2. Supported
  3. Prioritized
  4. Eliminated
MCQ 198:

If there is a chain of foreign-key dependencies across multiple relations, a deletion or update at one end of the chain may propagate

  1. No dependent
  2. Entire chain
  3. 1 dependent only
  4. Few dependents only
MCQ 199:

In the relational algebra, the select, project, and rename operations are known as

  1. Dimensional operations
  2. Multidimensional operations
  3. Unary operations
  4. Binary operations
MCQ 200:

If any of the foreign-key columns is null, the tuple is defined automatically to satisfy the

  1. Integrity
  2. Atomicity
  3. Isolation
  4. Constraint

Database Systems Exam Prep Tests

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