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 Performance analysis and tuning is which of the following? 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 as an ongoing part of managing a database Undertaken one time at the time of a DBMS installation 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 as an ongoing part of managing a database Undertaken one time at the time of a DBMS installation ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Which of the following is true concerning open-source DBMS? Is free or nearly free database software whose source code is not publicly available Is free or nearly free database software whose source code is publicly available Is not competitive against PC-oriented packages and is fully SQL compliant Is competitive against PC-oriented packages and is not fully SQL compliant Is free or nearly free database software whose source code is not publicly available Is free or nearly free database software whose source code is publicly available Is not competitive against PC-oriented packages and is fully SQL compliant Is competitive against PC-oriented packages and is not fully SQL compliant ANSWER DOWNLOAD EXAMIANS APP
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 All of these Database design Metadata Data modeling All of these Database design Metadata ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Incorrect data is easy to detect. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration A transaction log shows before and after images of records that have been modified by transactions. False True False True ANSWER DOWNLOAD EXAMIANS APP
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