聚合查詢 的英文怎麼說
中文拼音 [jùgězhāxún]
聚合查詢
英文
aggregate query- 聚 : 動詞(聚集; 聚積) assemble; gather; get together
- 合 : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
- 查 : 查名詞1. [植物學] (山查) hawthorn; haw2. (姓氏) a surname
- 詢 : 動詞(詢問) ask; inquire
- 聚合 : 1 (聚集到一起) get together2 [化學] (單體結合成高分子化合物) polymerization; polymerize 3 [生...
- 查詢 : inquire about; [計算機] query; inquiry; polling
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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。On the basis of analysis by consistent query answer of inconsistent database, and of nonaggregate constraints, keyword as metadata, the principle of the b - tree and binary tree, found a new research method to inconsistent database
摘要在分析非一致性數據庫一致性查詢方法的基礎上,結合非聚集約束條件,以關鍵詞為元數據,利用b -樹與二叉樹的原理,提出一種新的針對非一致性數據庫的查詢方法。Olap queries typically aggregate many rows of the fact table into a relatively small number of summary results
Olap查詢通常將事實表的許多行聚合成一個相對少量的匯總結果。In general, sql 2005 notification supports select queries as well as stored procedures, and supports multiple and nested queries, but does not support aggregate operations such as
總之, sql 2005通知支持select查詢和存儲過程,支持多個查詢和嵌套查詢,但不支持聚合操作(例如They are kernel knowledge of distributed multidatabase too0 then, based on a reasonable classified frame of schema collision, the paper probes into the strategies realizing schema integration and query decomposition using the good " low coupling, high cohesion " characteristics of component ; and then, a improved model of federal database architecture is designed exerting the virtue of independence and assembly of component <, at last, i had completed the work of developing a demo for the integration of audit information systems with the helps of others, which proved that the improved model of federal database architecture is practicalo
我在提出一個合理的模式沖突分類框架的基礎上,探討了如何運用組件技術的低耦合、高內聚的良好特性來實現數據模式集成和查詢分解的策略;同時,運用組件技術的獨立性和可裝配的優點,設計了一個改進的聯邦數據庫體系結構模型。最後,在上述理論的指導下,本人與協作者完成了湖南省審計廳信息集成原型系統的設計和開發,總體上證實了改進后聯邦數據庫體系結構模型的可行性。On this bases, two improved algorithms are given in cases such as input data items with different weight, continuous query networks terminated with non - aggregate operator. they extend the applicability of the algorithm
在此基礎上進一步研究了該演算法在輸入數據單元具有不同權重、以非聚合類查詢操作為結尾這兩種情況下的改進推廣,擴展了演算法的適用范圍。To solve the problem of load shedding about continuous query network in which has multiple input and output data streams and terminated with an aggregate operator, we studied the load - shedding technology and propose the algorithm
針對以聚合類查詢操作為結尾,包含多條輸入數據流,多查詢結果的連續查詢網路的降載問題,對load - shedding技術進行研究,提出了基於分支路徑分析的load - shedding演算法。User - defined aggregate queries
用戶定義的聚合查詢At this point, the lack of a formal data model, which describes the data gathered and against which you could more easily express selection and aggregation queries, was starting to look like a liability
這時,缺少一個正式的數據模型開始成為一項不利因素,該數據模型可以用於描述收集的數據,並且可以用它更容易地表示選擇和聚合查詢。Used by the query processor, this property is
由查詢處理器使用,如果聚合與空值無關,則此屬性為Introduce pre - aggregated or summarized data to satisfy common query requirements and improve query response times
引入預聚合或匯總數據以滿足常見的查詢要求,並縮短查詢響應時間。According to such an idea, we propose a new retrieval method that combines xpath and vector space model, named as the vector retrieval model based on xpath. secondly, we make full use of the hierarchical architecture of xml data, and analyze the structure of every document to construct a structure thesaurus, which is designed to navigate the user query and to eliminate the structural conflict
根據這一思想,作者提出了將xpath語言與傳統的向量空間模型相結合,實現基於簡單xpath路徑的向量檢索演算法來實現對xml文檔的檢索。充分利用xml文檔分類層次體系結構的特點,對于每篇xml文檔分析其文檔結構,並採用聚類學習演算法形成文檔結構類屬詞典,從而實現xml文檔查詢的導航機制和消除文檔結構的異構性。Defining redundant relationships generally adds no value and unnecessarily increases processing time
通常,定義最直接的關系有助於聚合設計並提高查詢性能。Returns aggregate performance statistics for cached query plans
返回緩存查詢計劃的聚合性能統計信息。If the measure had a third aggregation, then the select statement generated here would itself be used as a subselect on which the third aggregation function would be applied
)如果這個度量還有第三個聚合,那麼這個選擇語句本身作為子查詢,第三個聚合函數應用於它。Microsoft ' s analysis service builds data from data warehouse to multi - dimension data with pretreatment cluster data, so it cans provider efficient response of complex query
微軟的分析服務藉助預先計算的聚合數據將來自數據倉庫的數據組成為多維數據集,從而為復雜的分析查詢提供快速應達。It tracks user ' s entire searching process, collect information that could be used to determine his related characters and understand his search target better. ( 3 ) through the comparison of different result binding methods of meta - search systems, we recommended the combination of clustering with other techniques. a suitable algorithm for on line meta - search result clustering was also suggested
( 3 )分析了元搜索引擎對查詢代理返回的結果進行處理的基本狀況及方法,提出了採用結果聚類與其它處理方式相結合的方法;並在對幾種有代表性的文檔聚類演算法進行比較后論述了stc演算法在處理元搜索引擎搜索結果在線聚類問題時的優勢。The new index system is a new index technique combining fuzzy clustering classification theory and a new algorithm. result shows that this new index technique can query correctly and quickly
就浙江大學博士學位論文是結合模糊聚類分類理論與一種新演算法整合的新索引方法,結果表明,新索引方法具有快速查詢與正確的查詢結果。Queries generally return aggregated data
查詢通常返回聚合數據。Cannot perform an aggregate function on an expression containing an aggregate or a subquery
中文說:不能對包含聚合或字查詢的表達式執行聚合函數。分享友人