Multiple choice technology databases

WHY DO THE FLAT FILES ARE USED AS SOURCES OR TARGETS ?

  1. ITS A DUMMY RULE

  2. TO BALANCE THE EXTRACTION AND LOADING PROCESS

  3. EASY TO MAINTAIN

  4. TO RESOLVE THE PERFORMANCE ISSUES
Reveal answer Fill a bubble to check yourself
B,D Correct answer
Explanation

Flat files are used in ETL processes to balance the extraction and loading operations (staging area concept) and to resolve performance issues by providing an intermediate storage format that can be processed efficiently. They are not a dummy rule, and ease of maintenance is not their primary technical purpose.

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