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Notations for Modeling Data Quiz Questions and Answers 239 PDF Download

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Quiz on Notations for Modeling Data Worksheet 239Quiz PDF Download

Notations for Modeling Data Quiz

MCQ: Entity-relationship diagrams models data representation component of a

  1. Software system
  2. Hardware system
  3. Hardware + Software systems
  4. Customized systems


Aggregate Functions Quiz

MCQ: Input must be a collection of numbers for aggregate function

  1. Avg
  2. Sum
  3. Both A and B
  4. Min/Max


Data Dictionary Storage Quiz

MCQ: Data dictionary is also known as

  1. Function catalog
  2. Data catalog
  3. Storage catalog
  4. System catalog


Database Transactions Quiz

MCQ: After transaction is committed, a new transaction is automatically started in process of

  1. Commit work
  2. Transmit work
  3. Trace work
  4. Rollback work


DBMS Design Process Quiz

MCQ: Schema is developed at phase

  1. Data gathering
  2. Requirement gathering
  3. Conceptual design
  4. Contextual design