Data and Database Administration Information repositories are replacing data dictionaries in many organizations. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Mirrored databases are almost always provided in high-availability systems. 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
Data and Database Administration If both data and database administration exist in an organization, the database administrator is responsible for which of the following? Data modeling All of these Database design Metadata Data modeling All of these Database design Metadata ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Locking may cause which of the following problems? Deadlock Erroneous updates Versioning All of these Deadlock Erroneous updates Versioning All of these 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
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