Kettle is a scaleable and extensible open source ETL and data integration tool that lets you extract data from databases, flat and XML files, web services, ERP systems, and OLAP cubes. It provides over 120 built-in transformation steps to validate, cleanse, and conform data, as well as numerous options to load data into data warehouses and many other targets. Kettle is a comprehensive, low-cost alternative to traditional data integration tools like Informatica PowerCenter, IBM InfoSphere DataStage, and BusinessObjects Data Integrator. This book explains in detail how to use Kettle to create, test, and deploy your own ETL and data integration solutions. You'll learn to use Kettle's programs to create transformations and jobs, use version control, audit data, and schedule your ETL solution. Then you'll progress to more advanced concepts such as clustering and cloud computing, real-time data integration, loading a Data Vault model, and extending Kettle by building your...