Data and Database Administration The transaction log includes which of the following? The after-image of a record The before-image of a record The essential data of the record The before and after-image of a record The after-image of a record The before-image of a record The essential data of the record The before and after-image of a record ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Backward recovery is used to reverse the changes made by transactions that have aborted, or terminated abnormally. 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? Reprocess transactions Rollforward Rollback Switch to duplicate database Reprocess transactions Rollforward Rollback Switch to duplicate database 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 A data warehouse administrator is concerned with which of the following? The time to make a decision and the typical roles of a database administrator The typical roles of a data administrator and redesigning existing applications The time to make a decision but not the typical roles of a database administrator The typical roles of a database administrator and redesigning existing applications The time to make a decision and the typical roles of a database administrator The typical roles of a data administrator and redesigning existing applications The time to make a decision but not the typical roles of a database administrator The typical roles of a database administrator and redesigning existing applications ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Poor data administration can lead to which of the following? Missing data elements A single definition of the same data entity All of these Familiarity with existing data Missing data elements A single definition of the same data entity All of these Familiarity with existing data ANSWER DOWNLOAD EXAMIANS APP
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