Modeling Data in the Organization When the minimum and maximum number of instances of an entity is one, you know which of the following? Mandatory one Mandatory many Optional one Cannot tell Mandatory one Mandatory many Optional one Cannot tell ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization A logical representation of the data for an organization or for a business area is known as an entity-relationship model. False True False True ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization A binary relationship is a relationship between two or more entities. True False True False ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization A binary relationship is which of the following? An attribute with two different relationships A relationship between two attributes An entity with two different relationships A relationship between two entities An attribute with two different relationships A relationship between two attributes An entity with two different relationships A relationship between two entities ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization Which of the following conditions should exist if you want to convert a relationship to an associative entity? Some of the relationships for the participating entities are 'many'. The resulting associative entity has no attributes. 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. All of these The resulting associative entity has an independent meaning. ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization Cardinality specifies the number of instances of one entity that can be associated with each instance of another entity. False True False True ANSWER DOWNLOAD EXAMIANS APP