[chowells]

The heading saying "Simple (SPJ)" caught my eye, because I'm not sure SPJ has ever talked about simplicity in an especially referenceable way. Were you thinking of Rich Hickey's "Simple made Easy", or did SPJ do a presentation I missed out on?

[remywang]

Select-Project-Join, not Simon Peyton Jones :)

[chowells]

Hah. Not sure I've ever seen relational algebra abbreviated that way, but yeah. It makes sense.