A data warehouse uses: historical operational data. future operational data. health care data. partial operational data. TRUE ANSWER : ? YOUR ANSWER : ?
A shared database should: All of these be secure. be accurate and available. provide for backup and recovery. TRUE ANSWER : ? YOUR ANSWER : ?
Legacy data is which of the following? Data contained by a system used prior to the installation of a new system Data contained in a newly-installed system Data contained in a file system Data rejected during the installation of a new system TRUE ANSWER : ? YOUR ANSWER : ?
An enterprise database is which of the following? A database designed to support an entire organization A database designed to support only users external to an organization A database designed to support a relatively small group A database designed to support a single PC TRUE ANSWER : ? YOUR ANSWER : ?
Duplicate data often results in loss of data integrity because: the data formats may be inconsistent. data values may not agree. Both A & Neither A & TRUE ANSWER : ? YOUR ANSWER : ?
Stored representations of objects and events that have meaning and importance in the user's environment are known as a database. True False TRUE ANSWER : ? YOUR ANSWER : ?
Stand-alone databases exhibit many of the same advantages common to file processing systems. True False TRUE ANSWER : ? YOUR ANSWER : ?
The database approach requires additional costs and risks. True False TRUE ANSWER : ? YOUR ANSWER : ?
Some advantages of the database approach include all, but: improved data sharing. minimal data redundancy. improved data consistency. program-data dependency. TRUE ANSWER : ? YOUR ANSWER : ?