文件名称:
Oracle Core Essential Internals
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文件大小: 5mb
下载次数: 0
上传时间: 2014-08-22
详细说明： Since this book is only a couple of hundred pages and the 11g manuals extend to tens of thousands of pages it seems unlikely that I could possibly be describing “the whole thing ” so let me qualify the claim The book is about the core mechanics of the central database engine the bit thatdrives everything else; essentially it boils down to undo redo data caching and shared SQL Even then I’ve had to be ruthless in eliminating lots of detail and interesting special cases that would make the book too long turgid and unr eadable Consider for example the simple question: How does Oracle do a logical I O then take a look at structure x$kcbsw which is a list of all the functions that Oracle might call to visit a block You will find for 11 2 0 2 that there are 1 164 different functions for doing a logical I O do you really want a detailed breakdown of all the options or would a generic description of the common requirements be sufficient ">Since this book is only a couple of hundred pages and the 11g manuals extend to tens of thousands of pages it seems unlikely that I could possibly be describing “the whole thing ” so let me qualify the claim The book is about the core mechanics of the central database engine the bit thatdr [更多] ...展开收缩
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