Modeling Data in the Organization A good identifier is which of the following? Can be null 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 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? Weak entity Optional one cardinality Multi-valued attribute Derived attribute Weak entity Optional one cardinality Multi-valued attribute Derived attribute 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 relationship is which of the following? Weak entity Property or characteristic of an entity Link between entities A person, place, or thing Weak entity Property or characteristic of an entity Link between entities A person, place, or thing ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization A binary relationship is a relationship between two or more entities. False True False True ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization Some business rules cannot be represented in common data modeling notation. True False True False ANSWER DOWNLOAD EXAMIANS APP