Database.... Mark each question True or False and explain why you made your choice.

. Bottom-up development generally does not produce useful systems quickly.

An entity is something that the users want to track.

An identifier can consist of only one attribute.

Subtype entities have the same identifier as their supertype.

The entities in subtypes inherit the attributes of the supertype entity class.

The attributes of a semantic object are known as semantic object attributes.

A functional dependency is a relationship between or among attributes.

The selection of the attributes to use for the key is determined by the database programmers.