Data and Database Administration Information repositories are replacing data dictionaries in many organizations. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Locking may cause which of the following problems? Erroneous updates Deadlock Versioning All of these Erroneous updates Deadlock Versioning All of these ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration The transaction log includes which of the following? The essential data of the record The before-image of a record The after-image of a record The before and after-image of a record The essential data of the record The before-image of a record The after-image of a record The before and after-image of a record 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
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 managing a database Undertaken as an ongoing part of the backup of 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 managing a database Undertaken as an ongoing part of the backup of a database Undertaken one time at the time of a DBMS installation ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Queries that do full table scans should be avoided. True False True False ANSWER DOWNLOAD EXAMIANS APP
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