logo

CuriousTab

CuriousTab

Discussion

Home ‣ Database ‣ Managing Multiuser Databases Comments
  • Question

  • A phantom read occurs when a transaction rereads data it has previously read and finds modifications or deletions caused by a committed transaction.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • False 

    • Managing Multiuser Databases problems

    Search Results

    • 1. A point of synchronization between the database and the transaction log is generally referred to as a stop point.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. Two transactions that run concurrently and generate results that are consistent with the results that would have occurred if they had run separately are referred to as serializable transactions.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. A benefit of using a stored procedure is that it can be distributed to client computers.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. SQL has a JOIN ON syntax that can be used to create inner joins and outer joins.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. A SQL view is a virtual table that is constructed from other tables or views.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. A transaction is a series of actions to be taken on the database so that either all of them are performed successfully or none of them are performed at all.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. The overall responsibility of the DBA is to facilitate the development and use of the database.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. When two transactions are being processed against the database at the same time they are termed concurrent transactions.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. The size of the lock is referred to as the lock granularity.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. An ACID transaction is one that is atomic, consistent isolated, and durable.

    • Options
    • A. True
    • B. False
      • Discuss

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.