Data and Database Administration Poor data administration can lead to which of the following? Missing data elements Familiarity with existing data All of these A single definition of the same data entity Missing data elements Familiarity with existing data All of these A single definition of the same data entity 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 Which of the following is the preferred way to recover a database after a transaction in progress terminates abnormally? Rollforward Reprocess transactions Switch to duplicate database Rollback Rollforward Reprocess transactions Switch to duplicate database Rollback 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 Which of the following is part of an administrative policy to secure a database? Limiting particular areas within a building to only authorized people Authentication policies Ensure appropriate responses rates are in external maintenance agreements All of these Limiting particular areas within a building to only authorized people Authentication policies Ensure appropriate responses rates are in external maintenance agreements All of these 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 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 multiuser environment To ensure data integrity while reading data occurs to the database in a single-user 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 multiuser environment ANSWER DOWNLOAD EXAMIANS APP
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