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Which of the following is NOT a characteristic of a data warehouse?

1947Medium DSSSB TGT Computer Science 0 replies 1 views
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Which of the following is NOT a characteristic of a data warehouse?

  • ASubject-oriented
  • BHighly volatile, with frequent row-level updates
  • CNon-volatile
  • DTime-variant
Correct answer: B

Explanation

A data warehouse is subject-oriented, integrated, time-variant and non-volatile; data is loaded and read, not constantly updated like in OLTP.
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