Data and Database Administration A data warehouse administrator is concerned with which of the following? The time to make a decision but not the typical roles of a database administrator The typical roles of a data administrator and redesigning existing applications The time to make a decision and the typical roles of a database administrator The typical roles of a database 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 data administrator and redesigning existing applications The time to make a decision and 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 The transaction log includes which of the following? 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 The after-image of a record The before-image of a record 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 All of these Ensure appropriate responses rates are in external maintenance agreements Authentication policies Limiting particular areas within a building to only authorized people All of these Ensure appropriate responses rates are in external maintenance agreements Authentication policies ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Concurrency control is important for which of the following reasons? 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 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 single-user 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 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 single-user environment ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Queries that do full table scans should be avoided. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration A traditional data administrator performs which of the following roles? Protect the security of the database Tune database performance Resolve data ownership issues Establish backup and recovery procedures Protect the security of the database Tune database performance Resolve data ownership issues Establish backup and recovery procedures ANSWER DOWNLOAD EXAMIANS APP
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