DBMS-Data Warehousing and Data Mining Questions and Answers

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Showing 10 of 36 questions
Q1
In a data warehouse, data once loaded is not changed.
  • A TRUE
  • B FALSE
Answer: Option A
Q2
Metadata is data about data
  • A TRUE
  • B FALSE
Answer: Option A
Q3
A data warehouse is a collection of computer
  • A TRUE
  • B FALSE
Answer: Option A
Q4
A data warehouse is a collection of computer-based information that is critical to successful execution of organisation's initiatives.
  • A TRUE
  • B FALSE
Answer: Option A
Q5
Data in a data warehouse differ from operational jsystems data in that they can only be read, not modified.
  • A TRUE
  • B FALSE
Answer: Option A
Q6
Data in a data ware house differ from operational systems data in that they can only be read, not modified.
  • A TRUE
  • B FALSE
Answer: Option A
Q7
As the end-user computing was emerging, the computing started shifting from a business-driven information technology strategy to a data-processing approach.
  • A TRUE
  • B FALSE
Answer: Option B
Q8
In the data warehouse structure, operational data and processing is completely separate from data warehouse processing.
  • A TRUE
  • B FALSE
Answer: Option A
Q9
The ODS is often create when legacy operational systems are found to be incapablej of achieving reporting requirements.
  • A TRUE
  • B FALSE
Answer: Option A
Q10
Once in production, data marts are difficult to extend for use by other departments.
  • A TRUE
  • B FALSE
Answer: Option A

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