I read this a while ago- but long after I had sort of learned to do data modelling in SQL on my own (badly). It's actually a pretty nice introduction to the se

I read this a while ago- but long after I had sort of learned to do data modelling in SQL on my own (badly). It's actually a pretty nice introduction to the series of concepts modellers need to understand for good schema design. I really like the ordering of a progressive set of improvements. It also serves another purpose: normalizing gay/lesbian marriange and multiple genders, in a technical context. Really quite clever IMHO.