精華區beta Database 關於我們 聯絡資訊
小弟初學DB 所以請大大幫忙解惑="= Assume you have a table that contains 27,000 records, and you have an unclustered B+-tree index on the table. Assume further that each index node can contain up to 100 pointers (fan outs). Assume each index node contains at least 50 entries. . (a) What is the maximum possible number of levels in the B+-tree index for this table? (b) What is the minimum possible number of levels in the B+-tree index for this table? 請問是依Level 1=1 page Level 2=50的一次方 pages & Level 2=100的一次方 pages Level 3=50的二次方 pages & Level 3=100的二次方 pages Level 4=50的三次方 pages ....... 來解答嗎? 有點看不太懂題目的意思 希望大大們可以幫忙解答並解釋一下 先在這裡感謝各位了<(_ _)> -- ▁▁ ω ω ω ω ˙ x = m@na 玩躲貓貓,是因為想被找到 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 61.227.133.207