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 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
Modeling Data in the Organization An entity name should be which of the following? A singular noun All of these Concise Specific to the organization A singular noun All of these Concise Specific to the organization ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization A good identifier is which of the following? One that can change over time Can be null One that is unique Be intelligent One that can change over time Can be null One that is unique Be intelligent ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization Some business rules cannot be represented in common data modeling notation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization No two attributes of the same entity type should have the same name. True False True False ANSWER DOWNLOAD EXAMIANS APP