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Teach Yourself SQL in 21 Days Review by John Carter
Beginners beware of typos
This is a good book for beginners but also gets you on the path to more advanced SQL programming. However, beginners beware: I think I found a programming typo in nearly every chapter of the book. The most glaring to me was in Day 14 (p. 340) when a column named "NEW_TOTAL" was referenced in view LATE_PAYMENT (created from table BILLS). BILLS has an AMOUNT field but no NEW_TOTAL field. I have over 20 years programming experience and I had to disregard this entire example. I fear beginners will miss these types of mistakes. If this is one of the better books available (as stated by a previous reviewer), then I'm not sure what book to buy. No typos should exist in a book designed to teach programming.