Computer Science Degree Courses

Database Systems Certification Exam Tests

Database Systems Practice Test 170

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The Relational Algebra Multiple Choice Questions (MCQ) with Answers PDF (Relational Algebra MCQs PDF e-Book) download Ch. 10-170 to solve Database Systems Practice Tests. Study Formal Relational Query Languages quiz answers PDF, Relational Algebra Multiple Choice Questions (MCQ Quiz) to learn online school courses. The Relational Algebra MCQs App Download: Free educational app for entity relationship diagrams, database design, relational algebra test prep for associates in computer science.

The MCQ Quiz: Instead of rename operation it is possible for attributes to use a; "Relational Algebra" App (Android & iOS) with answers: Nonpositional notation; Positional notation; Fixed notation; Logical notation; to learn online school courses. Practice Formal Relational Query Languages Questions and Answers, Google eBook to download free sample for information and communication technology.

## Relational Algebra MCQ with Answers : 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