單項選擇題

Which of the following describes how DB2 9 stores an XML document if the XML Extender is not used?（）

A.CLOB
B.BLOB
C.Hierarchically
D.Rows and columns

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單項選擇題

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

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

單項選擇題

Which of the following is the main feature of an OLTP application?（）

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