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 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 ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Which of the following could cause data to be unavailable? Data becoming lost or inaccurate The database server Planned database maintenance activities All of these Data becoming lost or inaccurate The database server Planned database maintenance activities 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 Update Delete Read Insert Update Delete Read ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Locking may cause which of the following problems? Versioning Deadlock All of these Erroneous updates Versioning Deadlock All of these Erroneous updates 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 the implementation of a new application Undertaken as an ongoing part of managing a database Undertaken one time at the time of a DBMS installation Undertaken as an ongoing part of the backup of a database Undertaken one time at the time of the implementation of a new application Undertaken as an ongoing part of managing a database Undertaken one time at the time of a DBMS installation ANSWER DOWNLOAD EXAMIANS APP
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