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Concurrency in Index Structures Multiple Choice Questions with Answers – PDF Download

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Study Concurrency in Index Structures Multiple Choice Questions (MCQ Quiz) with Answers PDF (Concurrency in Index Structures MCQ PDF e-Book) download to learn Database Systems Tests. Learn Concurrency Control Multiple Choice Questions and Answers (MCQs), Concurrency in Index Structures quiz answers PDF to achieve learning goals. Download the Concurrency in Index Structures MCQ App: Free Database Systems Learning App to learn concurrency in index structures, multiple granularity in dbms, deadlock handling test prep for DBMS online curriculum.

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Concurrency in Index Structures MCQs PDF Download – Prep Test

MCQ 1: The system must deal with the deadlocks that are not prevented by using schemes of:

  1. Validation
  2. Deadlock detection
  3. Deadlock recovery
  4. Both A and B

MCQ 2: A scheme that creates a new version of a data item for each transaction is defined by:

  1. Concurrency control scheme
  2. Multiversion concurrency control scheme
  3. Timestamp concurrency control scheme
  4. Wound concurrency control scheme

MCQ 3: A transaction that is inserting a new tuple into the database is given an:

  1. Shared lock
  2. Mutual lock
  3. Exclusive lock
  4. NO lock

MCQ 4: Concurrency control is a challenging task for transactions that have:

  1. Application accesses
  2. I/O activities
  3. User interactions
  4. Application interactions

MCQ 5: In preemption technique, transactions are assigned a unique timestamp to decide whether it should wait or:

  1. Executed
  2. Committed
  3. Aborted
  4. Rolled back

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