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 free or nearly free database software whose source code is publicly available 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 not competitive against PC-oriented packages and is fully SQL compliant Is free or nearly free database software whose source code is publicly available 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 ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Backward recovery is used to reverse the changes made by transactions that have aborted, or terminated abnormally. True False True False 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. False True False True 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 data warehouse administrator is concerned with which of the following? The time to make a decision but not the typical roles of a database administrator The time to make a decision and the typical roles of a database administrator The typical roles of a database administrator and redesigning existing applications The typical roles of a data administrator and redesigning existing applications The time to make a decision but not the typical roles of a database administrator The time to make a decision and the typical roles of a database administrator The typical roles of a database administrator and redesigning existing applications The typical roles of a data administrator and redesigning existing applications ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Mirrored databases are almost always provided in high-availability systems. False True False True ANSWER DOWNLOAD EXAMIANS APP
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