Data and Database Administration Queries that do full table scans should be avoided. False True False True ANSWER DOWNLOAD EXAMIANS APP
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 free or nearly free database software whose source code is publicly available Is free or nearly free database software whose source code is not publicly available Is not competitive against PC-oriented packages and is fully SQL compliant Is competitive against PC-oriented packages and is not fully SQL compliant Is free or nearly free database software whose source code is publicly available Is free or nearly free database software whose source code is not publicly available Is not competitive against PC-oriented packages and is fully SQL compliant ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Locking may cause which of the following problems? All of these Erroneous updates Versioning Deadlock All of these Erroneous updates Versioning Deadlock ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Which of the following could cause data to be unavailable? 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 Data becoming lost or inaccurate 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 as an ongoing part of managing a database Undertaken one time at the time of the implementation of a new application Undertaken one time at the time of a DBMS installation Undertaken as an ongoing part of the backup of a database Undertaken as an ongoing part of managing a database Undertaken one time at the time of the implementation of a new application Undertaken one time at the time of a DBMS installation 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 Rollback Rollforward Reprocess transactions Switch to duplicate database Rollback Rollforward Reprocess transactions ANSWER DOWNLOAD EXAMIANS APP
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