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Rediscovering RANK() – Selecting the TOP N Rows for each Group or Category

There may be times when you need to get the top 10 (or n) rows from each group of your dataset to satisfy a business requirement. There are a few ways this can be done, but none so elegant as when you use RANK().
RANK() effectively applies a ranking to each rows in your dataset, based [...]

CV Tips for landing an IT Interview

The recruitment industry is a cut-throat and ruthless arena. Or so I’ve been told. It’s fast paced, with no time to spare on ifs, buts and maybes. Recruiters have a race against time to find the right candidate and get their details over to their prospective client. This race against time is not necessarily to [...]