Database Design Multiple Choice Let us apply class material: we are given a tabl

Question

Database Design Multiple Choice

Let us apply class material: we are given a table of data in the relational data model, as below: Please select the true statement about this table. (a) It is not a valid table because no primary key has been chosen. (b) It is not a valid table because it contains at least one composite attribute. (c) It is not a valid table because not all the tuples are unique. (d) It is a valid table that does not violate any rules of the relational data model. (e) None of (a) through (d) is a correct answer.

Explanation / Answer

C option is correct because you can't have duplicate rows in data table in relational model.This would create ambiguities in retreival of data.

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