The Database Environment Metadata enables database designers and users to do all of the following except: what the fine distinctions are between similar data items. what the data mean. sample data. understand what data exist. what the fine distinctions are between similar data items. what the data mean. sample data. understand what data exist. 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 file system Data contained by a system used prior to the installation of a new system Data contained in a newly-installed system Data rejected during the installation of a new system Data contained in a file system Data contained by a system used prior to the installation of a new system Data contained in a newly-installed system ANSWER DOWNLOAD EXAMIANS APP
The Database Environment A shared database should: provide for backup and recovery. be secure. be accurate and available. All of these provide for backup and recovery. be secure. be accurate and available. All of these ANSWER DOWNLOAD EXAMIANS APP
The Database Environment The most common source of database failures in an organization is the failure to implement a strong database administration function. True False True False ANSWER DOWNLOAD EXAMIANS APP
The Database Environment Which of the following is true for a relational database? All of these It is difficult to access data. Complex programs have to be written for simple queries. Data is represented by tables. All of these It is difficult to access data. Complex programs have to be written for simple queries. Data is represented by tables. 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. False True False True ANSWER DOWNLOAD EXAMIANS APP