What do you mean by data warehousing, Computer Engineering

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What do you mean by data warehousing?

Data warehouse implies as:

a) It is subject oriented

b) It is integrated and

c) It is time variant

d) It is non-volatile collection of data for decisions management.

This contains the bedrock data which forms the single source for all digital signal system (DSS) processing.
Data warehouses comprise historical data and detailed data, that they are eternally large.

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