Should I be using SQL?

["Tim Gornall" <tgornall@xxxxxxxxxx>]

There appears to be much SQL talent on this list, and I'm thinking I may be
way behind the times.  So here's a "how are you guys doing it" question.  
A typical example:  A request comes in for a new report.  It will require
the user to enter some selection data (let's say from and to dates), then
process a bunch of records within RPG.  I'm still using open query files,
record select logic in RPG, etc.  Are some of you using SQL to do this, is
it a better way, or just different?  Would anyone like to share example code
of a clean lean application using SQL?   

Thanks, Tim