Data and Database Administration If both data and database administration exist in an organization, the database administrator is responsible for which of the following? Data modeling Database design Metadata All of these Data modeling Database design Metadata All of these ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Backward recovery is used to reverse the changes made by transactions that have aborted, or terminated abnormally. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Queries that do full table scans should be avoided. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration With concurrent processing involving updates, a database with concurrency control will be compromised due to interference between users. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Performance analysis and tuning is which of the following? Undertaken as an ongoing part of the backup of a database Undertaken one time at the time of a DBMS installation Undertaken as an ongoing part of managing a database Undertaken one time at the time of the implementation of a new application Undertaken as an ongoing part of the backup of a database Undertaken one time at the time of a DBMS installation Undertaken as an ongoing part of managing a database Undertaken one time at the time of the implementation of a new application ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Authorization tables contain highly sensitive data and should be protected by stringent security rules. True False True False ANSWER DOWNLOAD EXAMIANS APP
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