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 in a file 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 newly-installed system Data contained in a file 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? All of these Data is represented by tables. It is difficult to access data. Complex programs have to be written for simple queries. All of these Data is represented by tables. It is difficult to access data. Complex programs have to be written for simple queries. ANSWER DOWNLOAD EXAMIANS APP
The Database Environment An enterprise data model is a relational model that shows the high-level entities for the organization and associations among those entities. True False True False ANSWER DOWNLOAD EXAMIANS APP
The Database Environment Another name for multimedia data is unstructured data. False True False True ANSWER DOWNLOAD EXAMIANS APP
The Database Environment Metadata enables database designers and users to do all of the following except: what the data mean. what the fine distinctions are between similar data items. understand what data exist. sample data. what the data mean. what the fine distinctions are between similar data items. understand what data exist. sample data. ANSWER DOWNLOAD EXAMIANS APP
The Database Environment Some advantages of the database approach include all, but: improved data consistency. program-data dependency. minimal data redundancy. improved data sharing. improved data consistency. program-data dependency. minimal data redundancy. improved data sharing. ANSWER DOWNLOAD EXAMIANS APP