I have put together a link list of all the ODI resources I know off on the web. If you know any other relevant resources contact me and I will add it to the list below. In my opinion the best place to get started with is the Data Warehouse Best Practices using Oracle Data Integrator Enterprise Edition guide. This explains the concepts very well and also has some detailed examples on Knowledge Modules, the Substitution API, setup, deployment etc. ODI OTN Discussion Forums I monitor the ODI forum on OTN at the end of each day to see if any relevant items have been discussed. Oracle By Example: Oracle Data Integrator The Oracle By Example (OBE) series should be one of the starting points for learning any new Oracle technology. The OBE for ODI series is a must. Documentation Download all relevant PDFs on Knowledge Modules, the Substituion API, Jython, ODI Tools etc. from the documentation page. ODI homepage on the Oracle website Blogs Rittman/Mead ODI Experts John Good...