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Understanding Rank Transformation in Informatica by Svr Ravi is a document available to read on EtoBox.
What is Understanding Rank Transformation in Informatica about?
1. The document discusses the Rank transformation in Informatica PowerCenter, which allows selecting the top or bottom ranked data in a group. 2. It describes how the Rank transformation works, including caching input data, defining groups to rank across, and automatically creating a Rank Index port. 3. An example is provided of a mapping that uses a Rank transformation to find the top 5 salaried employees, as well as an extension to find the top 2 salaried employees in each department.
- Author
- Svr Ravi
- Language
- EN