Statistics Update Procedures Quiz

5 questions • Pass: 70% • +25 pts

Quiz covering Database Maintenance

Statistics Update Procedures Quiz

5 questions | Pass: 70% | Earn 25 points

Questions in this quiz

A preview of the 5 questions covered. Start the quiz above to answer them, check your score, and read the explanations.

  1. 1

    What is the primary purpose of updating database statistics?

  2. 2

    When should you consider performing a manual statistics update instead of relying on auto-update settings?

  3. 3

    What is the potential performance impact of using the 'FULLSCAN' option when updating statistics on a massive table?

  4. 4

    If a query is running slowly due to 'parameter sniffing', how might updating statistics affect the situation?

  5. 5

    In a scenario where you have a table with 100 million rows and a 'skewed' data distribution (e.g., 90% of rows have the same value), why might a default sampling rate result in poor query performance?