Data and Database Administration Poor data administration can lead to which of the following? A single definition of the same data entity Familiarity with existing data All of these Missing data elements A single definition of the same data entity Familiarity with existing data All of these Missing data elements ANSWER DOWNLOAD EXAMIANS APP
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 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 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 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 multiuser environment ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Performance analysis and tuning is which of the following? Undertaken as an ongoing part of managing a database Undertaken one time at the time of a DBMS installation Undertaken as an ongoing part of the backup of a database Undertaken one time at the time of the implementation of a new application Undertaken as an ongoing part of managing a database Undertaken one time at the time of a DBMS installation Undertaken as an ongoing part of the backup of a database Undertaken one time at the time of the implementation of a new application ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Backward recovery is which of the following? Where the after-images and before-images are applied to the database Where the after-images are applied to the database Where the before-images are applied to the database Switching to an existing copy of the database Where the after-images and before-images are applied to the database Where the after-images are applied to the database Where the before-images are applied to the database Switching to an existing copy of the database ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration A shared lock allows which of the following types of transactions to occur? Update Delete Read Insert Update Delete Read Insert ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration The transaction log includes which of the following? The before and after-image of a record The essential data of the record The after-image of a record The before-image of a record The before and after-image of a record The essential data of the record The after-image of a record The before-image of a record ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS