Data and Database Administration Which of the following is true concerning open-source DBMS? Is competitive against PC-oriented packages and is not fully SQL compliant Is not competitive against PC-oriented packages and is 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 competitive against PC-oriented packages and is not fully SQL compliant Is not competitive against PC-oriented packages and is 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 ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Which of the following is the preferred way to recover a database after a transaction in progress terminates abnormally? Switch to duplicate database Rollforward Rollback Reprocess transactions Switch to duplicate database Rollforward Rollback Reprocess transactions ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Backward recovery is which of the following? Where the after-images are applied to the database Where the after-images and before-images are applied to the database Switching to an existing copy of the database Where the before-images are applied to the database Where the after-images are applied to the database Where the after-images and before-images are applied to the database Switching to an existing copy of the database Where the before-images are applied to the database ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Authorization tables contain highly sensitive data and should be protected by stringent security rules. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration The transaction log includes which of the following? The after-image of a record The before-image of a record The before and after-image of a record The essential data of the record The after-image of a record The before-image of a record The before and after-image of a record The essential data of the 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
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