The Database Environment A data warehouse uses: future operational data. partial operational data. health care data. historical operational data. future operational data. partial operational data. health care data. historical operational data. 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 Which of the following is true for a relational database? Data is represented by tables. Complex programs have to be written for simple queries. All of these It is difficult to access data. Data is represented by tables. Complex programs have to be written for simple queries. All of these It is difficult to access data. ANSWER DOWNLOAD EXAMIANS APP
The Database Environment A database management system (DBMS) is a: software system used to create, maintain, and provide uncontrolled access to a database. hardware system used to create, maintain, and provide controlled access to a database. software system used to create, maintain, and provide controlled access to a database. hardware system used to create, maintain, and provide uncontrolled access to a database. software system used to create, maintain, and provide uncontrolled access to a database. hardware system used to create, maintain, and provide controlled access to a database. software system used to create, maintain, and provide controlled access to a database. hardware system used to create, maintain, and provide uncontrolled access to a database. ANSWER DOWNLOAD EXAMIANS APP
The Database Environment Duplicate data often results in loss of data integrity because: Both A & the data formats may be inconsistent. data values may not agree. Neither A & Both A & the data formats may be inconsistent. data values may not agree. Neither A & ANSWER DOWNLOAD EXAMIANS APP
The Database Environment The database approach requires additional costs and risks. False True False True ANSWER DOWNLOAD EXAMIANS APP