下面關於B和B+樹的敘述中不正確的是( ) 【北方交通大學 一 (分)】
A B樹和B+樹都是平衡的多叉樹 B B樹和B+樹都可用於文件的索引結構
C B樹和B+樹都能有效地支持順序檢索 D B樹和B+樹都能有效地支持隨機檢索
m階B樹是一棵( ) 【北京郵電大學 二 (/分)】
A m叉排序樹 B m叉平衡排序樹 C m叉平衡排序樹 D m+叉平衡排序樹
在一棵含有n個關鍵字的m階B樹中進行查找至多讀盤( )次【中科院計算所 一 (分)】
A logn B +logn C D [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] []
From:http://tw.wingwit.com/Article/program/sjjg/201311/22932.html