The Database Environment Legacy data is which of the following? Data contained in a file system Data contained in a newly-installed system Data rejected during the installation of a new system Data contained by a system used prior to the installation of a new system Data contained in a file system Data contained in a newly-installed system Data rejected during the installation of a new system Data contained by a system used prior to the installation of a new system ANSWER DOWNLOAD EXAMIANS APP
The Database Environment Which of the following is true for a relational database? 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 Complex programs have to be written for simple queries. 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. what the fine distinctions are between similar data items. sample data. understand what data exist. what the data mean. what the fine distinctions are between similar data items. sample data. ANSWER DOWNLOAD EXAMIANS APP
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 Some advantages of the database approach include all, but: program-data dependency. improved data consistency. improved data sharing. minimal data redundancy. program-data dependency. improved data consistency. improved data sharing. minimal data redundancy. ANSWER DOWNLOAD EXAMIANS APP
The Database Environment Data descriptions are stored in a central location called the depository. False True False True ANSWER DOWNLOAD EXAMIANS APP
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