查詢優化 的英文怎麼說

中文拼音 [zhāxúnyōuhuà]
查詢優化 英文
query optimization
  • 查 : 查名詞1. [植物學] （山查） hawthorn; haw2. （姓氏） a surname
  • 詢 : 動詞（詢問） ask; inquire
  • 查詢 : inquire about; [計算機] query; inquiry; polling
  1. Third, this dissertation analyzes the complicacy of result size estimation problem for xml structure based query optimization compared to its counterpart in traditionally relational database, and proposes a full - featured result size estimation algorithm for xml query, sxm. for simple path expression query, this dissertation proposes a dynamic synopsis model for xml data based on the concept of f - stable and b - stable, xmap. for complicated path expression query, this dissertation adopts an improved bifocal sampling method for result size estimation

    第三，分析了xml結構化查詢優化中的查詢代價估計問題與傳統關系型數據庫中的查詢代價估計問題的區別，提出了一套完整的xml結構化查詢代價估計體系sxm ，包括對簡單路徑表達進行查詢代價估計的動態xml數據統計模型xmap ，對復雜路徑表達進行查詢代價估計的雙焦點例舉法，以及對值匹配條件進行查詢代價估計的基於小波的多維直方圖方法，並能將多種查詢表達的查詢代價估計結果結合在一起，以給出一個完整的xpath查詢的代價估計。
  2. Xml data is an acknowledged typical semi - structured data with grammar and without semantic information. however sematic information is very important to preserve data integrity, data storage and query optimization

    Xml文檔是一種公認的有語法而無語義信息的半結構化數據，但語義對保護數據的完整性、數據存儲和查詢優化都有著十分重要的作用。
  3. The query optimizer treats all internal system tables as if the auto create statistics setting is on, regardless of the actual setting

    無論auto _ create _ statistics實際設置情況如何，查詢優化器在處理所有內部系統表時，都按照它被設置為on的情況來處理。
  4. So most research of distributed query optimization aim at reducing communication cost

    所以大多數研究分散式查詢優化以減少通訊開銷為目標。
  5. 15 wang j c, horng j t, hsu y m. a genetic algorithm for set query optimization in distributed database systems

    然後提出了一種面向語義數據庫網格的，具有動態并行和啟發式特點的查詢優化演算法。
  6. A multiple index hint also enforces index anding and the query optimizer applies as many conditions as possible on each index accessed

    多索引提示還強制執行索引and運算，查詢優化器將對每個被訪問的索引應用盡可能多的條件。
  7. The query optimizer treats the view like a table with clustered index

    查詢優化器將視圖當成包含聚集索引的表處理。
  8. Because the sql server 2005 query optimizer typically selects the best execution plan for a query, we recommend that hints, including

    由於sql server 2005查詢優化器通常為查詢選擇最優執行計劃，因此建議只將提示包括
  9. Disabling automatic statistics recomputation can cause the query optimizer to choose a less optimal strategy for queries that involve the specified table

    禁用自動統計信息重新計算會導致查詢優化器為涉及指定表的查詢選擇非最佳的策略。
  10. Because the sql server 2005 query optimizer typically selects the best execution plan for a query, we recommend that hints, including query hint, be used only as a last resort by experienced developers and database administrators

    由於sql server 2005查詢優化器通常為查詢選擇最優執行計劃，因此建議只將提示（包括< query _ hint > ）用作經驗豐富的開發人員和數據庫管理員的最終手段。
  11. Because the sql server 2005 query optimizer typically selects the best execution plan for a query, we recommend that hints, including table hint, be used only as a last resort by experienced developers and database administrators

    由於sql server 2005查詢優化器通常為查詢選擇最優執行計劃，因此我們建議，只有在萬般無奈的情況下才由經驗豐富的開發人員和數據庫管理員使用提示（包括< table _ hint > ） 。
  12. The sql server 2005 query optimizer can match more queries to indexed views than in previous versions, including queries that contain scalar expressions, scalar aggregate and user - defined functions, interval expressions, and equivalency conditions

    與以前各版本相比， sql server 2005查詢優化器可將更多查詢與索引視圖相匹配，包括包含標量表達式、標量聚合函數與用戶定義函數、間隔表達式以及等價條件的查詢。
  13. This idea is not just exciting but practically attainable. this paper first provides an overview of our optimization strategy, andthen focuses on the key implementation issues of our rule - basedtransformation system for xml query optimization in a databaseenvironment

    Xml的樹形結構數據模型與關系模型相比本質上具有更高的復雜性，這使得xml的查詢優化空間比關系模型要大許多，從而給xml的查詢優化帶來了困難。
  14. This paper mainly studys the technologies of route protocols in ad hoc network, data caching and query optimizing in mobile database system

    本文主要對adhoc網路的路由策略、移動數據庫的緩沖技術和查詢優化技術進行了重點研究。
  15. Therefore, more challenges have arisen for query optimization in database grid than traditional distributed database. following this observation, the design of a query optimizer in dartgrid ii is presented, and a heuristic, dynamic and parallel query optimization approach to processing query in database grid is proposed. a set of semantic tools supporting relational database integration and semantic - based information browsing has also been implemented to realize the above vision

    克服數據庫網格特性所帶來的困難需要為數據庫網格提供全局一致的數據表達模式各結點數據模式到全局模式之間的映射方法各結點之間負載平衡和結點動態加入和退出系統的控制策略數據庫網格查詢優化器結構設計以及一整套適合數據庫網格的查詢優化演算法。
  16. Specifies that the query optimizer use a table scan, one or more indexes, or a locking method with this table or view and for this select, insert, update, or delete statement

    指定查詢優化器使用一個表掃描、一個或多個索引，或為當前表或視圖以及當前的select 、 insert 、 pdate或delete語句使用鎖定方法。
  17. In order to achieve this, the system makes the best use of the ability of rdbms in managing the great number of data, and the faceted classification scheme, searching cushion mechanism put forward from the

    為了實現這一點，系統充分利用了關系型數據庫系統管理海量數據的能力以及論文提出的刻面分類法與查詢優化策略，使系統有能力管理大數據量的組件數據。
  18. Sql server mobile also provides multiple - connection access to a database, multiple - column indexes and matching index limits, transaction support, referential integrity, 128 - bit file - level encryption and password protection, and a query optimizer

    Sql server mobile還提供對數據庫的多連接訪問、多列索引和匹配的索引限制、事務支持、引用完整性、 128位文件級加密以及密碼保護和查詢優化器。
  19. 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。
  20. 2. the design of database query optimization

    2 .在數據庫的查詢優化設計方面。
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