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Which of the following is true for a relational database?

  • A.Data is represented by tables.
  • B.It is difficult to access data.
  • C.Complex programs have to be written for simple queries.
  • D.All of the above.

Answer: C

Correct answer: Data is represented by tables.

The relation is the model’s single structure, presented as a table of rows and columns, and everything else follows from it. The other two options are the opposite of the case for the relational model: data is reached by declarative query rather than navigation, and a simple query needs no program at all.

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