Definitely a better solution than the brick wall he hit. Complicated beastie. I can see the appeal if you just love, eat, and breath SQL.
But a query language within a query language feels bolted onto something alien to do something pretty basic. Pass. If I'm teaching this to new engineers, pass also.
But a query language within a query language feels bolted onto something alien to do something pretty basic. Pass. If I'm teaching this to new engineers, pass also.