查詢處理 的英文怎麼說
中文拼音 [zhāxúnchǔlǐ]
查詢處理
英文
inquiry processing-
Report ucb csd - 01 - 1141, university of california, berkeley, usa, 2001. 8 cuenca - acuna f m, nguyen t d. text - based content search and retrieval in ad hoc p2p communities
本文針對上述問題,提出對等數據系統中的摘要索引結構及建立在此基礎上的基於內容的近似查詢處理方法。Based on the superiority of distributed database in highway project management, its distributed database is developed in the paper, including solution of data division and redundancy, design of intercurrent mechanism, system structure design and query disposal
摘要在分析分散式數據庫對公路建設項目管理的優越特性基礎上,提出了公路建設項目管理的分佈數據庫,其中包括數據分割和冗餘問題的解決、並發控制機制設計、系統結構設計和查詢處理。We mainly present view selection algorithm based on mining frequent query patterns, cache loading algorithm, view - based xml query processing algorithm and incremental xml maintenance algorithm for various update operations
我們主要給出了基於頻繁查詢模式的視圖選擇演算法、緩存裝入演算法、查詢可回答性定義、基於視圖的查詢處理演算法以及針對多種更新的視圖維護演算法。To save on i o operations, the query processor may choose to scan another index instead of performing a table scan
為了節省i / o操作,查詢處理器可以選擇掃描另一個索引,而不是執行表掃描。In order to verify the effectiveness of abstract indices, a simulator of 10, 000 peers, over 3 million documents is made, and several metrics are proposed. the experimental results show that abstract indices work well in various p2p data systems
從查詢處理技術角度,對等數據系統可以分為基於文檔元數據的查詢基於文檔數字標識或者鍵值的查詢基於內容的查詢方法,以及關系數據上的查詢。Query processing is one of the key techniques in information integration. the dissertation introduces query decomposing, query optimization, query scheduler, sub - query combination
在查詢處理的基本體系結構基礎之上,本文重點介紹了查詢分解、查詢優化、查詢調度以及子查詢合併。The path - based approaches break down a query into a set of paths, and join the original joint nodes, but this type of methods usually produce large middle result, therefore seriously reduce query efficiency
基於路徑匹配的方法通常將一個查詢分解為一組路徑,然後連接原來分支連接處的節點,然而該類型的結構連接方法通常導致龐大的中間結果,從而將嚴重影響查詢處理效率。Chapter 3 presents a method to represent schema architecture and schema mapping, prescribe an algorithm for decomposition tree. chapter 4 describes the implementation framework of multidatabase query processing, the implementation algorithm of query decomposition, approaches of query in the cmdatabase will be addressed
第三章提出了多數據庫系統cmdatabase的模式結構及模式映射方法,定義了用於多數據庫查詢處理的樹生成演算法第四章描述了cmdatabase的全局查詢處理的查詢分解演算法。It includes the analysis to multi - media searching type and customer context " s support to the likeness and vagueness searching. while the searching - handling process and characteristic - index strategy and the likeness - matches algorithm will be introduced
包括對多媒體查詢類型的分析和用戶上下文對相似查詢與模糊查詢的支持的說明以及查詢處理過程和特徵檢索策略和相似性匹配演算法等的介紹。I study mainly the storage of record and object, and bring forward the method of storage when the instance of object is embodied inside of record. 3 ) in the aspect of indexing, i presented a method that is generalized b - tree ( gbt ) and combining technique of founction template of c + + build the universal algorithm of queries, insert and delete. 4 ) finally, i analyze deeply and improve the query processing system of ormdbms, and confirm performance algorithm of linking and queries based on relational database. management system ( rdbms )
在系統結構和特性中分析了系統所採用的兩層體系結構,並且詳細探討了在設計和實現數據庫時所涉及到的幾個主要問題:支持復雜對象、類型擴充、繼承機制和規則系統等;在存儲機制的討論中,主要研究了記錄和對象以及包含了對象實例記錄的存儲方法;在索引技術研究中,本文提出了類屬b樹的索引方法,通過c + +的函數模板技術給出了通用類屬b樹查詢、插入及其刪除的基本演算法;最後,文章以關系數據庫為基礎,深入分析並改進了在對象關系多媒體數據庫中的查詢處理系統,確定了選擇和連接操作的具體演算法。The query processor takes advantage of statistics support in the storage engine to create significantly better cost - based query plans
利用存儲引擎中的統計支持,查詢處理器創建的查詢計劃得到了顯著改善並節省了開銷。So this paper focuses on the researching about data compression methods and storage architectures which are suitable for ssdb and corresponding query processing technology on them, including data operations and query optimizations
因此,本文的研究內容包括:研究適合於科學與統計數據庫的數據壓縮演算法及存儲結構;研究在壓縮科學與統計數據庫上的查詢處理技術,包括數據操作演算法和查詢優化演算法。In addition, a cost model is built for evaluating the cost of query processing using materialized views and that of issuing queries to source database
還建立查詢處理的代價模型,並比較分析了基於視圖的查詢處理代價和直接訪問源數據庫的查詢處理代價。Using secondary servers for query processing
使用輔助服務器進行查詢處理This paper uses query processing as a main line, discusses and researches query rewriting, query optimization technology
論文以查詢處理為主線,對查詢重寫、查詢優化技術進行了討論和研究。Dynamic query processing for data integration system
數據集成系統中的動態查詢處理Performance study of knn query processing algorithm
查詢處理演算法性能研究There are two ways to limit query processing
限制查詢處理的方法有兩種。Continuous queries processing by sharing intermediate join results
共享連接結果的連續查詢處理Query processing is not extensible
查詢處理是不可擴展的。分享友人