Expertise is always a beautiful thing.

Expertise is always a beautiful thing. Here are two examples, from wildly different places. Both are models of clear easy-to-understand explanation.

Mike Hernandez's Database design for mere mortals is the best book I've come across to explain relational databases, how to build them, and, in the process, why you might want to. The link takes you to Safari books online where you can have a look at some sample pages. I don't need someone to tell me which buttons to push - the user guide with FileMaker Pro handles that just fine, thanks - I needed someone to explain the big picture so I actually know what I'm doing.

Mr Hernandez talks you right through the process of designing your database - which he recommends you do on paper before you even think of opening the particular software application you'll use. Once you have your data sorted, and if - it's a big if - you understand the business need, the relationships practically take care of themselves.

On a completely different subject, clothing and appearance, is another expert, Imogen Lamport. As much as I love Trinny & Susannah, Imogen is as good (maybe even better) at explaining what to wear and what not to wear, because she explains why so well.  Her blog Insideoutstyleblog.com has excellent articles on how proportions, fit, colour and accessories work. The link takes you to a discussion of how to figure out your face shape. Knowing your face shape saves a lot of anguish when you go to the hairdresser or choose earrings, in case you were wondering.

Expertise is always a beautiful thing.

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