What are the steps of implementing data warehousing?

There are three steps, which would help address the business risk associated.

• Enterprise strategy

  Technical requirement is identified here, including the current architecture and tools. Facts, dimensions and attributes are also identified. It also includes data mapping and transformation.

• Phased delivery

  Data warehouse implementation demands to be phased as per the subject areas. Any kind of related business entities such as booking and billing needs to be implemented prior to integration with each other.

• Iterative prototyping

  The data warehouse needs to developed and tested iteratively and, does need a big approach for the implementation.