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WAEC Data Processing 2023 Question 22

Question 22

Database Management

Figure 4 is an entity relationship diagram in MS Access. Use it to answer questions 22 and 23.
How many entities are listed in Figure 4?

Diagram for this question
  1. A.3
  2. B.5
  3. C.25
  4. D.30
Show the answer and explanation

Answer: B (5)

Explanation

The boxes are PRODUCTS, USERS, SALE DETAIL, SALE_DETAIL_TMP and SALE: 5 entities.