Physical Database Design
Which of the following are integrity controls that a DBMS may support?

Limit the use of null values in some fields.
Assume a default value in a field unless a user enters a value for that field.
Limit the set of permissible values that a field may assume.
All of these

ANSWER DOWNLOAD EXAMIANS APP

Physical Database Design
If a denormalization situation exists with a many-to-many or associative binary relationship, which of the following is true?

All fields are stored in four relations.
All fields are stored in one relation.
All fields are stored in two relations.
All fields are stored in three relations.

ANSWER DOWNLOAD EXAMIANS APP