logo

CuriousTab

CuriousTab

Discussion

Home ‣ Database ‣ Physical Database Design See What Others Are Saying!
  • Question

  • Which of the following improves a query's processing time?


  • Options
  • A. Write complex queries.
  • B. Combine a table with itself.
  • C. Query one query within another.
  • D. Use compatible data types.

  • Correct Answer
  • Use compatible data types. 

    • More questions

    • 1. The source of the data is sometimes called the system of record.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. All primary keys are required.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. Entities use identifiers while tables use keys.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. SOAP is now just a name, not an acronym.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. A function returns one value and has only output parameters.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. Multiple and binary relationships are the same thing.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. Output reports should be included as part of an ERD.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. It is not easy to build a database correctly the first time.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. SOAP uses HTTP as its only transport mechanism.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. A updatable view has its own data.

    • 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.