An attribute is a person, place, object, event in a user environment. True False TRUE ANSWER : ? YOUR ANSWER : ?
A binary relationship is a relationship between two or more entities. False True TRUE ANSWER : ? YOUR ANSWER : ?
A relationship is which of the following? A person, place, or thing Weak entity Link between entities Property or characteristic of an entity TRUE ANSWER : ? YOUR ANSWER : ?
A good business rule is which of the following? Declarative Redundant Imprecise Compound TRUE ANSWER : ? YOUR ANSWER : ?
A strong entity is an entity whose existence depends on some other entity type. False True TRUE ANSWER : ? YOUR ANSWER : ?
A composite attribute is which of the following? An identifier An attribute that cannot be broken into components Multiple attributes An attribute that can be broken into components TRUE ANSWER : ? YOUR ANSWER : ?
When the minimum number of instances of an entity is one, you know which of the following? Optional one Mandatory one Mandatory many Cannot tell TRUE ANSWER : ? YOUR ANSWER : ?
Cardinality specifies the number of instances of one entity that can be associated with each instance of another entity. False True TRUE ANSWER : ? YOUR ANSWER : ?
No two attributes of the same entity type should have the same name. False True TRUE ANSWER : ? YOUR ANSWER : ?