Extract, Transform, and Load Video

As a continuation of our discussion of ETL, consider this YouTube video, which is also available at http://www.youtube.com/brianciampa.  Designing the star or snowflake schema is a great start.  However,  the ETL populates that star, thus transforming your data into something that is truly valuable.  In a future post we will look at an example of a basic ETL job in Oracle.