Data and Database Administration Which of the following is the preferred way to recover a database after a transaction in progress terminates abnormally? Reprocess transactions Rollback Rollforward Switch to duplicate database Reprocess transactions Rollback Rollforward Switch to duplicate database ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Backward recovery is which of the following? Where the after-images and before-images are applied to the database Where the after-images are applied to the database Where the before-images are applied to the database Switching to an existing copy of the database Where the after-images and before-images are applied to the database Where the after-images are applied to the database Where the before-images are applied to the database Switching to an existing copy of the database ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Which of the following is part of an administrative policy to secure a database? Ensure appropriate responses rates are in external maintenance agreements Authentication policies All of these Limiting particular areas within a building to only authorized people Ensure appropriate responses rates are in external maintenance agreements Authentication policies All of these Limiting particular areas within a building to only authorized people 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 Locking may cause which of the following problems? Erroneous updates All of these Deadlock Versioning Erroneous updates All of these Deadlock Versioning ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Incorrect data is easy to detect. True False True False ANSWER DOWNLOAD EXAMIANS APP
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