Modeling Data in the Organization An oval represents which of the following in an ERD? Entity Optional One Relationship Attribute Entity Optional One Relationship Attribute 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? Mandatory one Optional one Mandatory many Cannot tell Mandatory one Optional one Mandatory many Cannot tell ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization An entity name should be which of the following? A singular noun Concise All of these Specific to the organization A singular noun Concise All of these Specific to the organization 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. All of these Some of the relationships for the participating entities are 'many'. The resulting associative entity has an independent meaning. The resulting associative entity has no attributes. All of these Some of the relationships for the participating entities are 'many'. ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization A good identifier is which of the following? Be intelligent Can be null One that is unique One that can change over time Be intelligent Can be null One that is unique One that can change over time ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization A relationship is an association representing the interaction between attributes. True False True False ANSWER DOWNLOAD EXAMIANS APP