An anonymous reader writes "I have deep experience programming in many languages, and I've some exposure to SQL through PostgreSQL. My math goes so far as trig and algebra, with a little statistics. So far, I've learned enough to be dangerous: mostly via other people's code, experimenting, the PostgreSQL docs, etc. I've been successful using the DB in various ways, but I know I am missing a great deal (and probably doing it wrong, at that.) When DB articles come up on Slashdot, I don't recognize a good deal of the terminology. What is the best way for a technical person to learn SQL/DB work using PostgreSQL? Books? Tutorials? I should mention I don't have local access to a university or people with DB knowledge; have to do this on my own, so books or the Internet are pretty much my options."
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First time accepted submitter jasax writes "As an Amazon frequent buyer, I rely quite a lot on reviews of the books I want. However, some caution is in order: the (bad) quality of Amazon's reviews and reviewers under the Amazon Vine program has already been news in Slashdot. Today I was shocked by a practical result of that program. This second edition (published in 2012) of a very specialized system identification book has 12 reviews: the oldest (dated 2007) certainly targets the first edition. The remaining 11 reviews are all from 'Vine Reviewers' (VRs). All seem to be ignorant of what 'System Identification in the Frequency Domain' really is. None of the reviews is tagged with a 'Verified Amazon Purchase'; most (if not all) are 'small talk reviews' peppered with technical phrases cloning the publisher's book description, and some of the reviews are ridiculous, to say the least. If this sample of reviewing by VRs really is the norm, then the bottom line is that the Vine program is totally irrelevant and unreliable — at least for technical books."