A rectangle represents which of the following in an ERD? Relationship Entity Optional One Attribute TRUE ANSWER : ? YOUR ANSWER : ?
An entity name should be which of the following? Concise A singular noun All of these Specific to the organization TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following conditions should exist if you want to convert a relationship to an associative entity? All of these The resulting associative entity has an independent meaning. Some of the relationships for the participating entities are 'many'. The resulting associative entity has no attributes. TRUE ANSWER : ? YOUR ANSWER : ?
A time stamp is a time value that is associated with a data value. True False TRUE ANSWER : ? YOUR ANSWER : ?
A ternary relationship involves how many entities? 3 or more More than 3 3 3 or less TRUE ANSWER : ? YOUR ANSWER : ?
A logical representation of the data for an organization or for a business area is known as an entity-relationship model. False True TRUE ANSWER : ? YOUR ANSWER : ?
A strong entity is an entity whose existence depends on some other entity type. False True TRUE ANSWER : ? YOUR ANSWER : ?
An oval represents which of the following in an ERD? Relationship Entity Attribute Optional One TRUE ANSWER : ? YOUR ANSWER : ?
A fact is a word or phrase that has a specific meaning for the business. False True TRUE ANSWER : ? YOUR ANSWER : ?