Modeling Data in the Organization A good identifier is which of the following? One that is unique Be intelligent One that can change over time Can be null One that is unique Be intelligent One that can change over time Can be null 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 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 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 Business rules and policies are universal. False True False True 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? Derived attribute Optional one cardinality Multi-valued attribute Weak entity Derived attribute Optional one cardinality Multi-valued attribute Weak entity ANSWER DOWNLOAD EXAMIANS APP
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