- 飾她
- 樹(shù)型索引
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tree index中文什么意思
例句與用法
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- Hbt lock on a heap or b - tree index
Hbt =堆或b樹(shù)索引的鎖。 - Nonclustered indexes have a b - tree index structure similar to the one in clustered indexes
非聚集索引與聚集索引有一個(gè)相似的b樹(shù)索引結(jié)構(gòu)。 - All internal data structures , such as b - tree indexes or doubly - linked lists , must be correct at the end of the transaction
事務(wù)結(jié)束時(shí)，所有的內(nèi)部數(shù)據(jù)結(jié)構(gòu)（如b樹(shù)索引或雙向鏈表）都必須是正確的。 - The clustered index is implemented as a b - tree index structure that supports fast retrieval of the rows , based on their clustered index key values
聚集索引按b樹(shù)索引結(jié)構(gòu)實(shí)現(xiàn)， b樹(shù)索引結(jié)構(gòu)支持基于聚集索引鍵值對(duì)行進(jìn)行快速檢索。 - Based on the technology and principle above , a experiment system was developed by the author . it provides the clew and method of building r - trees index based on gis platform . also , this paper introduces a strategy of implement of r - trees based on grass platform
在上述技術(shù)和原理的基礎(chǔ)上，最終實(shí)現(xiàn)了一個(gè)實(shí)驗(yàn)系統(tǒng)，提出了基于grass平臺(tái)建立了空間矢量數(shù)據(jù)的r樹(shù)索引的基本思路和實(shí)現(xiàn)方法，同時(shí)總結(jié)了技術(shù)上的不足和改進(jìn)方案。