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 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
The Database Environment A database application can perform which of the following activities? Update records All of these Add records Read records Update records All of these Add records Read records ANSWER DOWNLOAD EXAMIANS APP
The Database Environment Data administrators are responsible for: managing technical issues in the database environment. physical database design. overall management of data resources in an organization. writing application programs. managing technical issues in the database environment. physical database design. overall management of data resources in an organization. writing application programs. ANSWER DOWNLOAD EXAMIANS APP
The Database Environment Duplicate data often results in loss of data integrity because: Both A & the data formats may be inconsistent. Neither A & data values may not agree. Both A & the data formats may be inconsistent. Neither A & data values may not agree. ANSWER DOWNLOAD EXAMIANS APP
The Database Environment Database management systems were first introduced in the 1950s. True False True False ANSWER DOWNLOAD EXAMIANS APP