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Database Systems MCQs – Mock Test 286

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Free Database Languages Study App Download (iOS & Android): "Authorization type which allows modification, but not deletion of data, is known as"; MCQ with answers: read authorization, update authorization, delete authorization, and insert authorization. Practice Introduction to DBMS Questions and Answers, Google Book to download free chapter for DBMS skill building.

Database Languages MCQs – Mock Test 286 PDF Download

MCQ 1426: The authorization type which allows modification, but not deletion of data, is known as:

  1. Update Authorization
  2. Read Authorization
  3. Insert Authorization
  4. Delete Authorization

MCQ 1427: Exclusive locks are released at the end of the transaction to ensure:

  1. Recoverability
  2. Cascadelessness
  3. Key-value locking
  4. Both A and B

MCQ 1428: The effect of null values on some of the more complicated SQL constructs can be:

  1. Subtle
  2. Easy
  3. Ideal approach
  4. None of the above

MCQ 1429: The time from when a request (read or write) is issued to the start of data transfer is called:

  1. Access time
  2. Seek time
  3. Transmit time
  4. Latency time

MCQ 1430: RAID have levels:

  1. 4
  2. 5
  3. 6
  4. 7

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