The Database Environment A data warehouse uses: future operational data. health care data. partial operational data. historical operational data. future operational data. health care data. partial operational data. historical operational data. ANSWER DOWNLOAD EXAMIANS APP
The Database Environment Data quality problems currently cost U.S. businesses some $60 million each year (Hudica, 2003). True False True False ANSWER DOWNLOAD EXAMIANS APP
The Database Environment The primary mechanism for providing context for data is metadata. True False True False ANSWER DOWNLOAD EXAMIANS APP
The Database Environment An enterprise data model is: a graphical model that shows the high-level entities for an organization. a non-graphical model that shows the high-level entities for an organization. a non-graphical model that shows the all entities for an organization. a graphical model that shows all entities for an organization. a graphical model that shows the high-level entities for an organization. a non-graphical model that shows the high-level entities for an organization. a non-graphical model that shows the all entities for an organization. a graphical model that shows all entities for an organization. ANSWER DOWNLOAD EXAMIANS APP
The Database Environment Which of the following is true for a relational database? Complex programs have to be written for simple queries. Data is represented by tables. All of these It is difficult to access data. Complex programs have to be written for simple queries. Data is represented by tables. All of these It is difficult to access data. ANSWER DOWNLOAD EXAMIANS APP
The Database Environment Some advantages of the database approach include all, but: program-data dependency. minimal data redundancy. improved data sharing. improved data consistency. program-data dependency. minimal data redundancy. improved data sharing. improved data consistency. ANSWER DOWNLOAD EXAMIANS APP