Data and Database Administration Mirrored databases are almost always provided in high-availability systems. False True False True ANSWER DOWNLOAD EXAMIANS APP
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 Backward recovery is which of the following? Where the after-images and before-images are applied to the database Where the before-images are applied to the database Where the after-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 before-images are applied to the database Where the after-images are applied to the database Switching to an existing copy of the database ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Locking may cause which of the following problems? Versioning Erroneous updates Deadlock All of these Versioning Erroneous updates Deadlock All of these ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration A data warehouse administrator is concerned with which of the following? 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 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 ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Which of the following is the preferred way to recover a database after a system failure? Rollforward Rollback Switch to duplicate database Reprocess transactions Rollforward Rollback Switch to duplicate database Reprocess transactions ANSWER DOWNLOAD EXAMIANS APP
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