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Database Systems Admission Tests: Mock Test 137

Relational Databases Quiz Questions and Answers PDF Download - 137

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The Relational Databases Quiz Questions and Answers PDF (Relational Databases Quiz with Answers PDF e-Book) download Ch. 13-137 to learn Database Systems Practice Tests. Solve Introduction to DBMS MCQ with answers PDF, Relational Databases Multiple Choice Questions (MCQ Quiz) for computer information science. The Relational Databases Quiz App Download: Free Database Systems App to learn database schema, entity relationship diagrams, additional basic operations, relational databases test prep for free online classes.

The Quiz: Each record type defines a fixed number of; "Relational Databases" App Download [Free] with answers: fields, variables, unique names, and attributes for computer information science. Learn Introduction to DBMS Questions and Answers, Apple iBook to download free chapter for online software engineering certification.

Relational Databases Questions and Answers PDF Download: MCQ 137

MCQ: 681

Each record type defines a fixed number of

  1. Variables
  2. Fields
  3. Attributes
  4. Unique names
MCQ: 682

The names of the attributes in the result are derived from the names of the attributes in the relations in the

  1. From clause
  2. Define clause
  3. Select clause
  4. Where clause
MCQ: 683

In E-R diagrams, the relationship set associating the weak entity set to the identifying strong entity set is represented by

  1. Diamond
  2. Double Diamond
  3. Rectangle
  4. Double triangle
MCQ: 684

The contents of a relation instance may change with time as the relation

  1. Domain
  2. Time
  3. Updated
  4. Retrieved
MCQ: 685

Process of switching from finer-granularity data to a coarser granularity can take place by means of

  1. Functions
  2. Aggregation
  3. Integration
  4. Substitution

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