题目内容

A data ________ is a repository of historical data that are organized by subject to support decision makers in the organization.

A. mart
B. shop
C. store
D. warehouse

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Data marts can be implemented quickly than data warehouses and support control.

A. less; central
B. less; local
C. more; central
D. more; local

Data marts and data warehouses typically use ________.

A. ERP
B. OLAP
C. OLTP
D. RFID

Data marts and data warehouses are ; this means they be updated by users.

A. non-volatile; can
B. non-volatile; cannot
C. volatile; can
D. volatile; cannot

________ is an example of a source system for a data warehouse.

A. DSS
B. ERP
C. OLAP
D. Web browser