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Datawarehouse

The data Warehouse is
Write only
Read only
Read write only
Expansion for DSS in DW is
Decision Support system
Decision Single System
Data Storable System
The time horizon in Data warehouse is usually
1-2 years
5-6 years
5-10 years
__________describes the data contained in the data warehouse
Relational data
Operational data
Metadata
_____________consists of information in the enterprise that is not in classical form
Mushy metadata
Differential metadata
Data mining
The star schema is composed of __________ fact table
One
Two
Three
Record cannot be updated in ____________
OLTP
RDBMS
Data warehouse
_______test is used in an online transactional processing environment
MACRO.
MICRO
ACID
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