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Database Systems Certification Exam Tests

Database Systems Practice Test 281

Data Mining and Information Retrieval Quiz Questions and Answers PDF Download - 281

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Data Mining and Information Retrieval Questions and Answers PDF Download: MCQ 281

MCQ 1401:

Information retrieval systems have much in common with

  1. Filing systems
  2. Transaction systems
  3. Database systems
  4. Management systems
MCQ 1402:

A deadlock can be broken down by

  1. Committing one or more transactions
  2. Aborting one or more transactions
  3. Rolling back one or more transactions
  4. Terminating one or more transactions
MCQ 1403:

A super key pertains to a specific

  1. Domain
  2. Set of attributes
  3. Relationship sets
  4. Relation schema
MCQ 1404:

A data model that can be seen as extension of E-R model with notions of encapsulation, functions and object identity, is known as

  1. Semi-structured data model
  2. Entity relationship model
  3. Object-based Data model
  4. Relational Model
MCQ 1405:

The referencing old row as clause can be used to create a variable storing the old value of an

  1. Updated row
  2. Inserted row
  3. Deleted row
  4. Both A and C

Database Systems Exam Prep Tests

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