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Title: great reference
Review: I love this book. I don't use it exclusively, but to support the other SQL books and reference manuals I have. This book helps me identify and understand the differences between the various systems and to write portable code. Most of SQL books and reference manuals don't provide any information about the portability, but by cross referencing with the nutshell book I can understand the impact of any given feature to my code's portability.You probably need three books:- your favorite SQL tutorial to figure out that latest join problem- your system's reference manual to understand the specific's on everything- the nutshell book to know if your code will work any place elseThis book probably isn't appropriate if:- you use one system exclusively and portability is a low priority -- you are probably better off with your system's reference manual- you are looking for a comprehensive reference manual/tutorial that describes everything
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