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Database Systems Practice Test 170

Relational Algebra MCQs (Multiple Choice Questions) PDF Download - 170

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Relational Algebra MCQ with Answers PDF Download: Quiz 170

MCQ 846:

Instead of rename operation it is possible for attributes to use a

  1. Positional notation
  2. Nonpositional notation
  3. Fixed notation
  4. Logical notation
MCQ 847:

Repeating information wastes

  1. Integrity
  2. Associations
  3. Spaces
  4. Indexes
MCQ 848:

Every weak entity must be associated with a/an

  1. Identifying entity
  2. Relatable entity set
  3. Strong entity set
  4. Relational entity set
MCQ 849:

Composition of relational-algebra operations to relational-algebra expressions is similar to composition of

  1. Arithmetic operations
  2. Geometric operations
  3. Logarithmic operations
  4. Boolean operations
MCQ 850:

In the encryption process, the key that is used to encrypt data is known as

  1. Encryption key
  2. Private key
  3. Public key
  4. Asymmetric key

Database Systems Exam Prep Tests

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