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Database Systems Practice Test 398

Database Triggers MCQ (Multiple Choice Questions) PDF - 398

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The MCQs: For backup replica systems that have to take over from primary system, triggers would have to be; "Database Triggers MCQs" App (Android & iOS) with answers: Enabled initially; Enabled explicitly; Disabled automatically; Disabled initially; to study online school courses. Practice Advanced SQL Questions and Answers, Google eBook to download free sample for 2 year computer science degree.

Database Triggers Questions and Answers PDF Download: Quiz 398

MCQ 1986:

For backup replica systems that have to take over from the primary system, triggers would have to be

  1. Enabled explicitly
  2. Enabled initially
  3. Disabled automatically
  4. Disabled initially
MCQ 1987:

The database provides an abstraction of a transaction as being

  1. Atomic
  2. Non-atomic
  3. Isolated
  4. Non-isolated
MCQ 1988:

A query that involves a Cartesian product includes a

  1. Projection operation
  2. Selection operation
  3. Union operation
  4. Set-intersection operation
MCQ 1989:

An interface between the computer system and the actual hardware of the disk drive, is said to be

  1. Disk controller
  2. Remapping controller
  3. Data controller
  4. Revolving controller
MCQ 1990:

The file organization that have a single file for each relation is named as

  1. Sequential file organization
  2. Heap file organization
  3. Clustered file organization
  4. Hashing file organization

Database Systems Exam Prep Tests

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