Section A: Answer True or False to the following questions: $(35$pts$)$

A$.$ Database users are known as an individual and as a member of one or more roles.

B$.$ Granting access and processing rights$/$privileges cannot be granted to a role in a database

only users

C$.$ A cursor is a pointer into a set of rows that are the result set from an SQL DROP statement

D$.$ Maximum cardinality determines how a relationship is represented

E$.$ Like a $1$:$1$ relationship, a $1$:N relationship is saved by placing the key from one table into

another as a foreign key.

F$.$ An intersection table does not have a composite key consisting of the keys from each of the

tables that it connects.

G$.$ When an intersection table has columns beyond those in the primary key, the relationship is

called an association relationship.

H$.$ All ID$-$dependent entities are weak entities, but there are other entities that are weak but not

ID$-$dependent.

I. The relationship between a strong and weak entity is termed an identifying relationship if the

weak entity is NOT IDdependent.

J$.$ The relationship between a strong and weak entity is termed a nonidentifying relationship if

the weak entity is non$-$IDdependent.

K$.$ There are situations where denormalized relations are preferred.