The Relational Model and Normalization - Database MCQ Questions and answers- Technical Aptitude

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21.
In a relation, the order of the rows matters.

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22.
In a relation, the rows are sometimes called "records".

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23.
A relation is a two-dimensional table.

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24.
Any table that meets the definition of a relation is said to be in first normal form.

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25.
Given the functional dependency R → (S,T) , then it is also true that R → S.

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26.
A candidate key is a determinant that determines all the other columns is a relation.

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27.
The only reason for the existence of relations is to store instances of functional dependencies.

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28.
A relation is in 5NF when multivalued dependencies are isolated in their own relation.

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29.
The functional dependency R → S means that the value of S can be determined when we are given a value of R.

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30.
In a relation, the columns are sometimes called "attributes".

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