Question: Which is the following is the incorrect statement about a data warehouse ( DW ) ? DW is a specialized database to consolidate data from

Which is the following is the incorrect statement about a data warehouse (DW)?
DW is a specialized database to consolidate data from multiple locations.
DW places data from different sources into a consistent format.
DW contains data saved over multiple time period.
Data may undergo modifications subsequent to its storage in DW.

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