The Database Environment Databases that contain historical and summarized information are usually called data warehouses. True False True False ANSWER DOWNLOAD EXAMIANS APP
The Database Environment The database approach requires additional costs and risks. False True False True 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. It is difficult to access data. Data is represented by tables. All of these Complex programs have to be written for simple queries. It is difficult to access data. Data is represented by tables. All of these ANSWER DOWNLOAD EXAMIANS APP
The Database Environment A workgroup typically comprises between 25 and 100 persons. True False True False ANSWER DOWNLOAD EXAMIANS APP
The Database Environment A data warehouse uses: historical operational data. future operational data. partial operational data. health care data. historical operational data. future operational data. partial operational data. health care data. ANSWER DOWNLOAD EXAMIANS APP
The Database Environment Data quality problems currently cost U.S. businesses some $60 million each year (Hudica, 2003). False True False True ANSWER DOWNLOAD EXAMIANS APP