December 2012
Beginner to intermediate
845 pages
23h 33m
English
Exam objectives in this chapter:
Extract and Transform Data
Design data flow.
Implement data flow.
The previous chapter covered control flow tasks that orchestrate the whole extract-transform-load (ETL) process. This chapter looks at the most important control flow task—the data flow task, which is a crucial component in the data warehouse project for ETL operations. All the components in a data flow task operate on rows of data. You can group the elements of the data flow task into three categories: data source adapters, data destination adapters, and data transformations. This chapter shows you how to create data flow tasks and use an appropriate ETL strategy.
Lessons in this chapter: