单项选择题

For which of the following is a data warehouse optimized?（）

A.Backup and recovery
B.Transactions
C.Security
D.Queries

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单项选择题

A.Summarized queries
B.Granular transactions
C.Voluminous historical data
D.Heterogeneous data sources

单项选择题

A.DB2 Express Edition
B.DB2 Personal Edition
C.DB2 Workgroup Server Edition
D.DB2 Enterprise Server Edition

单项选择题

A.Journal
B.Task Center
C.Activity Monitor
D.Command Line Processor