Modeling Data in the Organization A logical representation of the data for an organization or for a business area is known as an entity-relationship model. True False True False 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 Weak entity Multi-valued attribute Optional one cardinality Derived attribute Weak entity Multi-valued attribute Optional one cardinality 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 An attribute is a person, place, object, event in a user environment. True False True False ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization A good identifier is which of the following? One that can change over time One that is unique Be intelligent Can be null One that can change over time One that is unique Be intelligent Can be null ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization When the minimum and maximum number of instances of an entity is one, you know which of the following? Mandatory one Mandatory many Optional one Cannot tell Mandatory one Mandatory many Optional one Cannot tell ANSWER DOWNLOAD EXAMIANS APP
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