Which of the following is not a step of database design?
a. Identify the entities involved
b. Identify the unique identifiers for the entities
c. Identify the attributes for all the entities
d. Identify the functional dependencies that exist among the
attributes
e. All of the above
f. None of the above
Data anomalies are classified into which of the following four
categories?
a. Updates, additions, deletions, and concurrent data
b. Updates, additions, deletions, and consistent data
c. Updates, additions, deletions, and inconsistent data
d. Updates, additions, deletions, and unnormalized data
What is an attribute?
a. An attribute is another name for relationship.
b. An attribute is another name for entity.
c. An attribute is a property of an entity.
d. An attribute is a property of a relationship.
What is a relationship?
a. A relationship is an association between two
attributes.
b. A relationship is an association between entity and
attribute.
c. A relationship is an association between two entities.
d. A relationship is an association between two relations.