Data Warehousing MCQ Questions and Answers Quiz

31. ______________databases are owned by particular departments or business groups.

  1. Informational.
  2. Operational.
  3. Both informational and operational.
  4. Flat.

32. The type of relationship in star schema is

  1. many to many
  2. one to one
  3. one to many
  4. many to one

33. The type of relationship in star schema is

  1. many-to-many.
  2. one-to-one.
  3. one-to-many.
  4. many-to-one.

34. _______test is used in an online transactional processing environment.

  1. MEGA.
  2. MICRO.
  3. MACRO.
  4. ACID.

35. Which of the following is not a component of a data warehouse?

  1. Metadata
  2. Current detail data
  3. Lightly summarized data
  4. Component Key

36. Detail data in single fact table is otherwise known as

  1. monoatomic data.
  2. diatomic data.
  3. atomic data.
  4. multiatomic data.

37. _____________consists of information in the enterprise that is not in classical form.

  1. Mushy metadata.
  2. Differential metadata.
  3. Data warehouse.
  4. Data mining.

38. Data warehouse contains_____________data that is never found in the operational environment.

  1. normalized.
  2. informational.
  3. summary.
  4. denormalized.

39. An .................. system is market-oriented and is used for data analysis by knowledge workers, including managers, executives, and analysts.

  1. OLAP
  2. OLTP
  3. Both of the above
  4. None of the above

40. The data is stored, retrieved & updated in

  1. OLAP.
  2. OLTP.
  3. SMTP.
  4. FTP.
Tags

MCQ Multiple Choice Questions and Answers on Data Warehousing

Data Warehousing Question and Answer