An entity name should be which of the following? A singular noun Concise Specific to the organization All of these TRUE ANSWER : ? YOUR ANSWER : ?
A relationship is an association representing the interaction between attributes. False True TRUE ANSWER : ? YOUR ANSWER : ?
When the minimum number of instances of an entity is one, you know which of the following? Cannot tell Optional one Mandatory one Mandatory many TRUE ANSWER : ? YOUR ANSWER : ?
A binary relationship cannot be which of the following? Zero-to-Zero One-to-Many Many-to-Many One-to-One TRUE ANSWER : ? YOUR ANSWER : ?
An attribute is a person, place, object, event in a user environment. True False TRUE ANSWER : ? YOUR ANSWER : ?
A good business rule is which of the following? Imprecise Redundant Compound Declarative TRUE ANSWER : ? YOUR ANSWER : ?
When the minimum and maximum number of instances of an entity is one, you know which of the following? Mandatory one Optional one Mandatory many Cannot tell TRUE ANSWER : ? YOUR ANSWER : ?
A binary relationship is which of the following? An attribute with two different relationships A relationship between two entities An entity with two different relationships A relationship between two attributes TRUE ANSWER : ? YOUR ANSWER : ?
If there are two entities with a relationship between them, and one of the entities is completely dependent on the other, then which of the following must exist? Derived attribute Multi-valued attribute Optional one cardinality Weak entity TRUE ANSWER : ? YOUR ANSWER : ?