pentaho kettle 用户手册

PentahoDataIntegration(PDI)isaflexibletoolthatallowsyoutocollectdatafromdisparatesourcessuchas databases,files,andapplications,andturnthedataintoaunifiedformatthatisaccessibleandrelevanttoendusers. PDIprovidestheExtraction,Transformation,andLoading(ETL)en