Data transformations. Using kettle transformations - Andriy Kyrylenko,

This document discusses using Kettle transformations to manage importing files from different vendors. It describes common transformations like filtering fields, filtering records, splitting and joining fields, creating new fields, and merging files. It also discusses using multiple readers, converters, and Ruby classes in Kettle to handle different source files, formats, and fieldsets when importing product data from various sources into a database.