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WAEC Data Processing 2024 Question 36

Question 36

Database Management

Which one of the following statements is true about database tables?

  1. A.All the tables in a database have a common name.
  2. B.A table may contain repeating groups.
  3. C.Entries in a column are from different domains based on datatype.
  4. D.There are no duplicate rows in a table.
Show the answer and explanation

Answer: D (There are no duplicate rows in a table.)

Explanation

In a relational table every row is unique.