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 A shared database should: provide for backup and recovery. All of these be secure. be accurate and available. provide for backup and recovery. All of these be secure. be accurate and available. ANSWER DOWNLOAD EXAMIANS APP
The Database Environment Duplicate data often results in loss of data integrity because: Neither A & data values may not agree. the data formats may be inconsistent. Both A & Neither A & data values may not agree. the data formats may be inconsistent. Both A & ANSWER DOWNLOAD EXAMIANS APP
The Database Environment Metadata enables database designers and users to do all of the following except: understand what data exist. what the data mean. sample data. what the fine distinctions are between similar data items. understand what data exist. what the data mean. sample data. what the fine distinctions are between similar data items. ANSWER DOWNLOAD EXAMIANS APP
The Database Environment Legacy data is which of the following? Data contained by a system used prior to the installation of a new system Data rejected during the installation of a new system Data contained in a file system Data contained in a newly-installed system Data contained by a system used prior to the installation of a new system Data rejected during the installation of a new system Data contained in a file system Data contained in a newly-installed system ANSWER DOWNLOAD EXAMIANS APP
The Database Environment Some advantages of the database approach include all, but: program-data dependency. improved data consistency. minimal data redundancy. improved data sharing. program-data dependency. improved data consistency. minimal data redundancy. improved data sharing. ANSWER DOWNLOAD EXAMIANS APP
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