E.T.L. That's Extract - Transform - Load.  That doesn't sound like a lot of work when all you need to get loaded is a simple Access database or an Excel spreadsheet.  In a situation like that, the process is so simple, all you really need to focus on is the L in ETL.  There's not a whole lot of E.T. to process, despite how wonderful that movie is. [pun intended]  But as soon as your data loading process involves some difficult or sophisticated cleansing or transformations, it gets really, really hard. The other cross-thread that had really caught my interest lately is the USA federal … [Read more...]