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The Relational Model and Normalization
The only reason for the existence of relations is to store instances of functional dependencies.
True
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True
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The Relational Model and Normalization
Given the functional dependency R → (S,T) , then it is also true that R → S.
A relation is in Boyce-Codd Normal Form (BCNF) if every determinant is a composite key.
Any table that meets the definition of a relation is said to be in first normal form.
In a relation, the order of the rows matters.
Given the functional dependency R → S , R is called the determinant.
In a relation, the rows are sometimes called "records."
In a relation, the order of the columns does not matter.
A relation has cells that hold multi-value entries.
Relations are categorized into normal forms according to the referential integrity constraints that they have.
A functional dependency is always an equation.
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