Enterprise data modeling typically occurs during information systems planning. True False TRUE ANSWER : ? YOUR ANSWER : ?
The use of packaged data models can offer which of the following benefits? Both A and Higher quality models Neither A nor Reduce implementation time and costs TRUE ANSWER : ? YOUR ANSWER : ?
Packaged data models can reduce implementation times and costs. True False TRUE ANSWER : ? YOUR ANSWER : ?
Functional decomposition is the process of breaking down the functions of an organization into greater levels of detail. True False TRUE ANSWER : ? YOUR ANSWER : ?
The physical database design identifies data integrity and security requirements. False True TRUE ANSWER : ? YOUR ANSWER : ?
The goal of information systems planning is to align information technology with the business strategies of the organization. True False TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following database activities determines the entities, attributes, and relationships of data? Logical database design Conceptual data modeling Physical database design and definition Database implementation TRUE ANSWER : ? YOUR ANSWER : ?
With an enterprise data model, it is much easier to build applications because you know exactly what data exist and what needs to be added. False True TRUE ANSWER : ? YOUR ANSWER : ?
An entity type is which of the following? The various departments of an organization A major category of data about people, place, and things The business processes the support the mission of an organization The application software TRUE ANSWER : ? YOUR ANSWER : ?
The three-schema components include all, but: programming schema. conceptual schema. internal schema. external schema. TRUE ANSWER : ? YOUR ANSWER : ?