Problem $1.(30$ points$)$ Questions about general course material

Choose the best answer for each of the following questions:

a$)(5$ pts$)$ Let R $($A$,$B$,$C$,$D$)$ be a relation with attribute A as its primary key. Let $|$R$|$ be the

number of tuples in R$.$ Consider the following query:

Select D$,$ C

From R

Where D $>10$

An equivalent relational expression for this query is:

$\backslash$pi D$,$C $(\backslash$sigma D$>10($R$))$

I. True

II$.$ False

III. Cannot be determined from the premise

Answer: $\_\_\_\_\_$