Data and Database Administration Which of the following is true concerning open-source DBMS? 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 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 ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration The restore/rerun technique involves reprocessing the day's transactions up to the point of failure. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Incorrect data is easy to detect. False True False True 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 Concurrency control is important for which of the following reasons? To ensure data integrity while reading data occurs to the database in a single-user environment To ensure data integrity while reading data occurs to the database in a multiuser environment To ensure data integrity when updates occur to the database in a single-user environment To ensure data integrity when updates occur to the database in a multiuser environment To ensure data integrity while reading data occurs to the database in a single-user environment To ensure data integrity while reading data occurs to the database in a multiuser environment To ensure data integrity when updates occur to the database in a single-user environment To ensure data integrity when updates occur to the database in a multiuser environment ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration A traditional data administrator performs which of the following roles? Protect the security of the database Establish backup and recovery procedures Resolve data ownership issues Tune database performance Protect the security of the database Establish backup and recovery procedures Resolve data ownership issues Tune database performance ANSWER DOWNLOAD EXAMIANS APP