Data and Database Administration Which of the following is the preferred way to recover a database after a system failure? Rollforward Switch to duplicate database Rollback Reprocess transactions Rollforward Switch to duplicate database Rollback Reprocess transactions 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 Backward recovery is used to reverse the changes made by transactions that have aborted, or terminated abnormally. True False True False 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. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Databases are not the property of a single function or individual within the organization. False True False True 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 but not the typical roles of a database administrator 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 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 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 typical roles of a database administrator and redesigning existing applications ANSWER DOWNLOAD EXAMIANS APP