Modeling Data in the Organization A good identifier is which of the following? Be intelligent Can be null One that can change over time One that is unique Be intelligent Can be null One that can change over time One that is unique 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? The resulting associative entity has an independent meaning. The resulting associative entity has no attributes. Some of the relationships for the participating entities are 'many'. All of these The resulting associative entity has an independent meaning. The resulting associative entity has no attributes. Some of the relationships for the participating entities are 'many'. All of these ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization A relationship is an association representing the interaction between attributes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization Output reports should be included as part of an ERD. False True False True ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization A derived attribute is an attribute whose values can be calculated from a related relationship. False True False True ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization When the minimum number of instances of an entity is one, you know which of the following? Optional one Mandatory many Mandatory one Cannot tell Optional one Mandatory many Mandatory one Cannot tell ANSWER DOWNLOAD EXAMIANS APP