查詢優化器 的英文怎麼說
中文拼音 [zhāxúnyōuhuàqì]
查詢優化器
英文
query optimizer-
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。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。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。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。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。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 > ） 。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。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。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。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。Simple instructs the query optimizer to attempt
Simple指示查詢優化器嘗試進行With common table expression transact - sql
強制查詢優化器對查詢使用由Query execution costs are estimated by the query optimizer
由查詢優化器估計查詢執行開銷。Advanced query optimizer
高級查詢優化器How indexes are used by the query optimizer
查詢優化器如何使用索引A compact database engine and a robust query optimizer
壓縮的數據庫引擎和強大的查詢優化器。How the column is used by the query
當查詢由查詢優化器優化時，When the sql server query optimizer recognizes a query that matches
當sql server查詢優化器識別與This makes sure that the plan guide is used by the query optimizer
這將確保計劃指南可由查詢優化器使用。分享友人