Data and Database Administration Performance analysis and tuning is which of the following? Undertaken one time at the time of a DBMS installation Undertaken as an ongoing part of the backup of a database Undertaken one time at the time of the implementation of a new application Undertaken as an ongoing part of managing a database Undertaken one time at the time of a DBMS installation Undertaken as an ongoing part of the backup of a database Undertaken one time at the time of the implementation of a new application Undertaken as an ongoing part of managing a database ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration A shared lock allows which of the following types of transactions to occur? Delete Read Insert Update Delete Read Insert Update ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Queries that do full table scans should be avoided. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration A traditional data administrator performs which of the following roles? Resolve data ownership issues Protect the security of the database Establish backup and recovery procedures Tune database performance Resolve data ownership issues Protect the security of the database Establish backup and recovery procedures Tune database performance 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 not publicly available Is free or nearly free database software whose source code is 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 not publicly available Is free or nearly free database software whose source code is 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? Deadlock All of these Erroneous updates Versioning Deadlock All of these Erroneous updates Versioning ANSWER DOWNLOAD EXAMIANS APP
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