Data and Database Administration The transaction log includes which of the following? The before and after-image of a record The after-image of a record The essential data of the record The before-image of a record The before and after-image of a record The after-image of a record The essential data of the record The before-image of a record ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Which of the following could cause data to be unavailable? Planned database maintenance activities Data becoming lost or inaccurate The database server All of these Planned database maintenance activities Data becoming lost or inaccurate The database server All of these ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration A shared lock allows which of the following types of transactions to occur? Insert Delete Read Update Insert Delete Read Update ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Locking may cause which of the following problems? Deadlock Erroneous updates Versioning All of these Deadlock Erroneous updates Versioning All of these 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
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