Data and Database Administration A shared lock allows which of the following types of transactions to occur? Insert Read Update Delete Insert Read Update Delete ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Data modeling and database design are key responsibilities of data and data base administration. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Backward recovery is used to reverse the changes made by transactions that have aborted, or terminated abnormally. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration The transaction log includes which of the following? The essential data of the record The after-image of a record The before and after-image of a record The before-image of a record The essential data of the record The after-image of a record The before and after-image of a record The before-image of a record 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? Rollback Switch to duplicate database Rollforward Reprocess transactions Rollback Switch to duplicate database Rollforward Reprocess transactions 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
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