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02、说说从数据结构上分类? ①、B+树索引:最常见的索引类型,一种将索引值按照一定的算法,存入一个树形的数据结构中(二叉树),每次查询都从树的根节点开始,一次遍历叶子节点,找到对应的值。查询效率是 O(logN)。
B+树是一种多路平衡查找树,括号中写的是二叉树,有点问题。
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02、说说从数据结构上分类?
①、B+树索引:最常见的索引类型,一种将索引值按照一定的算法,存入一个树形的数据结构中(二叉树),每次查询都从树的根节点开始,一次遍历叶子节点,找到对应的值。查询效率是 O(logN)。
B+树是一种多路平衡查找树,括号中写的是二叉树,有点问题。
The text was updated successfully, but these errors were encountered: