KETTLE
　　Kettle是一款国外开源的etl工具，纯java编写，可以在Window、Linux、Unix上运行，绿色无需安装，数据抽取高效稳定。
　　这个ETL的开源项目的名称，很有意思，直译中文为“水壶”。按项目负责人Matt的说法：把各种数据发到一个壶里，然后呢，以一种你希望的格式流出。
　　Kettle这个ETL工具集，它允许你管理来自不同数据库的数据，通过提供一个图形化的用户环境来描述你想做什么，而不是你想怎么做。
　　Kettle中有两种脚本文件，transformation和job，transformation完成针对数据的基础转换，job则完成整个工作流的控制。
　　作为Pentaho的一个重要组成部分，现在在国内项目应用上逐渐增多。
Pentaho Data Integration (Kettle)
Welcome to the community home for Pentaho Data Integration Community Edition (PDI CE) also known as Kettle. Pentaho Data Integration delivers powerful Extraction, Transformation and Loading (ETL) capabilities using an innovative, metadata-driven approach. With an intuitive, graphical, drag and drop design environment, and a proven, scalable, standards-based architecture, Pentaho Data Integration is increasingly the choice for organizations over traditional, proprietary ETL or data integration tools.
Community Edition is self supported open source software. An Enterprise Edition (EE) of Pentaho Data Integration including technical support, managed upgrades and enterprise features is also available. For more information about EE or for screenshots and datasheets, visit Pentaho Data Integration EE on Pentaho's corporate site.

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