Data and Database Administration A shared lock allows which of the following types of transactions to occur? Insert Read Delete Update Insert Read Delete Update 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 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 Undertaken one time at the time of the implementation of a new application ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Failure to control confidentiality may lead to loss of competitiveness. False True False True 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 the preferred way to recover a database after a system failure? Rollback Reprocess transactions Rollforward Switch to duplicate database Rollback Reprocess transactions Rollforward Switch to duplicate database ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Backward recovery is which of the following? 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 Where the after-images and before-images are applied to the database ANSWER DOWNLOAD EXAMIANS APP
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