Data and Database Administration Concurrency control is important for which of the following reasons? To ensure data integrity when updates occur to the database in a single-user 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 multiuser 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 while reading data occurs 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
Data and Database Administration Performance analysis and tuning is which of the following? Undertaken one time at the time of the implementation of a new application Undertaken as an ongoing part of managing a database Undertaken as an ongoing part of the backup of a database Undertaken one time at the time of a DBMS installation Undertaken one time at the time of the implementation of a new application Undertaken as an ongoing part of managing a database Undertaken as an ongoing part of the backup of a database Undertaken one time at the time of a DBMS installation ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Databases are not the property of a single function or individual within the organization. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Locking may cause which of the following problems? Erroneous updates All of these Deadlock Versioning Erroneous updates All of these Deadlock Versioning 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 Ensure appropriate responses rates are in external maintenance agreements Authentication policies All of these Limiting particular areas within a building to only authorized people Ensure appropriate responses rates are in external maintenance agreements Authentication policies All of these 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
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