Informatica Data Warehousing Question:
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What is EDW?


EDW is Enterprise Datawarehouse which means that its a centralised DW for the whole organization.

this apporach is the apporach on Imon which relies on the point of having a single warehouse/centralised where the kimball apporach says to have seperate data marts for each vertical/department.

Advantages of having a EDW:

1. Golbal view of the Data
2. Same point of source of data for all the users acroos the organization.
3. able to perform consistent analysis on a single Data Warehouse.

to over come is the time it takes to develop and also the management that is required to build a centralised database.

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