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Concurrency Control MCQ App Download | Database Systems PDF e-Book

Database Systems MCQs: Chapter 3

Concurrency Control Trivia Questions & Answers PDF Download | 4

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The Quiz: In preemption technique, transactions are assigned a unique timestamp to decide whether it should wait or "Concurrency Control" App APK Download with answers: committed, executed, aborted, and rolled back to study online certification courses. Practice Aggregate Functions Quiz Questions, download Kindle e-Book (Free Sample) to study online certification courses.

Concurrency Control Test Questions and Answers PDF Download: MCQ 4

MCQ: 16

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
MCQ: 17

Snapshot isolation is a scheme of

  1. Multiversion concurrency-control
  2. Multiversion two-phase locking
  3. Multiversion timestamp ordering
  4. Multiversion one-phase locking
MCQ: 18

The two modes of locking a data item, are termed as 'shared' and

  1. Composite
  2. Compatible
  3. Exclusive
  4. Linear
MCQ: 19

Two-phase locking does not ensure freedom from

  1. Obtain locks
  2. Release locks
  3. New locks
  4. Deadlocks
MCQ: 20

A set of rules applied over a transaction that may lock and unlock each of the data items in the database, is known to be

  1. Unlocking protocol
  2. Locking protocol
  3. Deadlock protocol
  4. Validation protocol

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Concurrency Control Apps (Android & iOS)

Concurrency Control App

DataBase Management System (MCS) Apps (Android & iOS)

DataBase Management System (MCS) App

ARM Processors Apps (Android & iOS)

ARM Processors App

Distributed Computing Apps (Android & iOS)

Distributed Computing App