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  • Question
  • What is Bit Mapped Index?


  • Correct Answer
  • Bitmap indexes make use of bit arrays (bitmaps) to answer queries by performing bitwise logical operations Bitmap indexes are useful in the data warehousing applications Bitmap indexes have a significant space and performance advantage over other structures for such data Tables that have less number of insert or update operations can be good candidates The advantages of Bitmap indexes are: - They have a highly compressed structure, making them fast to read - Their structure makes it possible for the system to combine multiple indexes together so that they can access the underlying table faster The Disadvantage of Bitmap indexes is: - The overhead on maintaining them is enormous 


  • More questions

    • 1. How would you automatically transfer your visitors to a new web page?
    • Discuss
    • 2. The threshold limit upto which coins can be issued as per the Coinage Act 2011 ?

    • Options
    • A. 100
    • B. 200
    • C. 500
    • D. 1000
    • Discuss
    • 3. Cash Reserve Ratio ( CRR) and Stautory Liquidity Ratio (SLR ) are terms most closely related to which of the following industries/markets :

    • Options
    • A. Mutual Fund
    • B. Income Tax
    • C. Stock Exchange
    • D. Banking
    • Discuss
    • 4. What is the minimum period of time for which one can open an FD(Fixed Deposit) account ?

    • Options
    • A. 15 days
    • B. 6 months
    • C. 7 days
    • D. 1 year
    • Discuss
    • 5. Which Bank has been given scheduled bank status by RBI ?

    • Options
    • A. Disha
    • B. Suryoday
    • C. Janalakshmi
    • D. Ujjivan
    • Discuss
    • 6. Which class is used to indicate Black Navigation Bar ?

    • Options
    • A. .navbar-inverse
    • B. .navbar-black
    • C. .navbar-dark
    • D. .navbar-default
    • Discuss
    • 7. The journal entry to record a credit sale is

    • Options
    • A. Accounts Receivable
    • B. Accounts Payable
    • C. Both A & B
    • D. None of the above
    • Discuss
    • 8. What is CRR rate?
    • Discuss
    • 9. Which among the following are not access Specifiers in C++?

    • Options
    • A. Public
    • B. Protected
    • C. Default
    • D. Private
    • Discuss
    • 10. In which year, the first bank of India "Bank of Hindustan" was established ?

    • Options
    • A. 1677
    • B. 1770
    • C. 1796
    • D. 1831
    • Discuss


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