Multiple choice technology databases

Data Modeling:

  1. is achieved using an information flow digram

  2. uses a dataflow diagram

  3. is necessary to remove database anomalies through normalization

  4. is the same as process modelling

  5. is all of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Data modeling through normalization eliminates insertion, update, and deletion anomalies by organizing data into well-structured tables. Information flow diagrams and dataflow diagrams are process modeling tools, not data modeling. Data modeling is distinct from process modeling, which focuses on how data moves through systems.

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