Data and Database Administration A shared lock allows which of the following types of transactions to occur? Read Insert Delete Update Read Insert Delete Update ANSWER DOWNLOAD EXAMIANS APP
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 With concurrent processing involving updates, a database with concurrency control will be compromised due to interference between users. True False True False 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 All of these Data becoming lost or inaccurate Planned database maintenance activities The database server All of these Data becoming lost or inaccurate ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Incorrect data is easy to detect. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration A transaction log shows before and after images of records that have been modified by transactions. False True False True ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS