Data and Database Administration With concurrent processing involving updates, a database with concurrency control will be compromised due to interference between users. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Which of the following could cause data to be unavailable? Planned database maintenance activities The database server Data becoming lost or inaccurate All of these Planned database maintenance activities The database server Data becoming lost or inaccurate All of these ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration A shared lock allows which of the following types of transactions to occur? Update Read Delete Insert Update Read Delete Insert ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Which of the following is the preferred way to recover a database after a system failure? Switch to duplicate database Reprocess transactions Rollforward Rollback Switch to duplicate database Reprocess transactions Rollforward Rollback ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Failure to control confidentiality may lead to loss of competitiveness. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Locking may cause which of the following problems? Versioning All of these Erroneous updates Deadlock Versioning All of these Erroneous updates Deadlock ANSWER DOWNLOAD EXAMIANS APP
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