Question 27

______ is an intermediate storage area used for data processing during the extract, transform and load process of data warehousing.

  1. AInter-storage area
  2. BBuffer
  3. CStaging area
  4. DVirtual memory
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Correct answer: (C) Staging area

Explanation

In ETL, the staging area is the intermediate storage where extracted data is cleaned and transformed before it is loaded into the data warehouse.

From DSSSB TGT Computer Science Practice Set 3

This is question 27 of DSSSB TGT Computer Science Practice Set 3. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.