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Foundations of SQL Server 2005 Business Intelligence by Lynn Langit

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Chapter 3. Introducing SSIS

You've captured business requirements and are working on creating a basic OLAP design. The next task in creating your BI solution is to map the data from the source system(s) to your OLAP model. In larger BI projects, it is common for different people (or teams) to be working on an OLAP design and an ETL design concurrently.

Data maps are used as a basis for beginning your ETL design. As mentioned in Chapter 1, ETL stands for Extract, Transform, and Load. It is important that you don't underestimate the amount of work involved in this portion of your project. In fact, 75% of the initial project work in a BI solution commonly consists of ETL process design, execution, and debugging. The SQL Server 2005 ETL toolset is ...

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