It depends....
There are two schools of thought here.
1) As per Ralph Kimball, Data warehouse comprises of various data marts. Each data mart will be a part of the data warehouse. Here is the pictorial view of a data warehouse as per Kimball methodology.
2) As per Inmon, Data warehouse is the source of various datamarts.
There are two schools of thought here.
1) As per Ralph Kimball, Data warehouse comprises of various data marts. Each data mart will be a part of the data warehouse. Here is the pictorial view of a data warehouse as per Kimball methodology.
We have only one datamart, so in our case this is a Data warehouse as well as a Datamart.
In our case, as we have no separate Data warehouse built to derive the datamart, we have only a Datamart but not a Data warehouse.
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