The Database Environment Data descriptions are stored in a central location called the depository. False True False True ANSWER DOWNLOAD EXAMIANS APP
The Database Environment Legacy data is which of the following? Data rejected during the installation of a new system Data contained in a newly-installed system Data contained by a system used prior to the installation of a new system Data contained in a file system Data rejected during the installation of a new system Data contained in a newly-installed system Data contained by a system used prior to the installation of a new system Data contained in a file system 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. It is difficult to access data. All of these Complex programs have to be written for simple queries. Data is represented by tables. It is difficult to access data. All of these ANSWER DOWNLOAD EXAMIANS APP
The Database Environment The source of the data is sometimes called the system of record. False True False True ANSWER DOWNLOAD EXAMIANS APP
The Database Environment Some advantages of the database approach include all, but: minimal data redundancy. improved data sharing. improved data consistency. program-data dependency. minimal data redundancy. improved data sharing. improved data consistency. program-data dependency. ANSWER DOWNLOAD EXAMIANS APP
The Database Environment A shared database should: be accurate and available. provide for backup and recovery. be secure. All of these be accurate and available. provide for backup and recovery. be secure. All of these ANSWER DOWNLOAD EXAMIANS APP