Question 1 :
In a relation, the order of the rows matters.
Question 2 :
In a relation, the rows are sometimes called "records."
Question 3 :
A relation is a two-dimensional table.
Question 4 :
Any table that meets the definition of a relation is said to be in first normal form.
Question 5 :
Given the functional dependency R ? (S,T) , then it is also true that R ? S.