Modeling Data in the Organization A good identifier is which of the following? One that is unique One that can change over time Can be null Be intelligent One that is unique One that can change over time Can be null Be intelligent 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. True False True False ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization A composite attribute is which of the following? An identifier Multiple attributes An attribute that cannot be broken into components An attribute that can be broken into components An identifier Multiple attributes An attribute that cannot be broken into components An attribute that can be broken into components ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization 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? Multi-valued attribute Derived attribute Weak entity Optional one cardinality Multi-valued attribute Derived attribute Weak entity Optional one cardinality 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? 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 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'. ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization Output reports should be included as part of an ERD. True False True False ANSWER DOWNLOAD EXAMIANS APP
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