Discussion
Data transformation includes which of the following?
Answer: A
Correct answer: A process to change data from a detailed level to a summary level
Aggregation is the characteristic transformation, converting transaction detail into the summaries that analytical queries need. The other options describe joining and separating, which are transformations of a different kind - and the third and fourth have the direction of each reversed.
No comment is present. Be the first to comment.
Loading…
Post your comment
Please log in or register to post a comment.
Examination Categories
- SSC Exams
- Banking Exams
- Teaching Exams
- Civil Services Exams
- Railways Exams
- Engineering Recruitment Exams
- Defence Exams
- State Government Exams
- Police Exams
- Insurance Exams
- Nursing Exams
- Other Government Exams
- NRA CET
- PG Entrance Exams
- Campus Placement
- MBA Entrance Exams
- CUET and UG Entrance
- Judiciary Exams
- Regulatory Body Exams
- Software Development