This practical, roll-up-your-sleeves guide distills years of ingenious XML hacking into a complete set of tips, tricks, and tools for web developers, system administrators, and programmers who want to leverage the untapped power of XML. If you want more than the average XML user--to explore and experiment, discover clever shortcuts, and show off just a little (and have fun in the process)--this invaluable book is a must-have.
樣板 B 樹 ( B - tree )
規則 :
(1) 每個節點內元素個數在 [MIN,2*MIN] 之間, 但根節點元素個數為 [1,2*MIN]
(2) 節點內元素由小排到大, 元素不重複
(3) 每個節點內的指標個數為元素個數加一
(4) 第 i 個指標所指向的子節點內的所有元素值皆小於父節點的第 i 個元素
(5) B 樹內的所有末端節點深度一樣
