query database 中文意思是什麼
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This thesis firstly introduces the defference between edi and the communication of information based on xml, and puts forword a kind of interface of communication of information between enterprises based on xml. secondly analyses the applications of xml in the communication of information between enterprises, database query and the different database ' s interface. thirdly introduse cii based on xml. afterword some key problem for the communication of information based on xml. after that, a query of productions ' informations system based on xml is bringed up. the author completes the design and the running of this system
並重點對基於xml的異種數據庫通信、數據庫查詢、異種數據源合併技術進行了深入的研究。在此基礎上完成了基於xml的產品信息管理原型系統的設計與開發。實踐證明本文提出的基於xml的企業信息集成框架的基本框架和實現技術是可行的、有效的。 -
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。 -
We first present a number of desiderata for an xml - based query language, and based on this criterion, we introduce the syntax of a simple core ian - guage for semistructured data and then describe four extensions that have resulted in working prototypes. second, we present the algorithm for computing the result of a regular expression on data graph with cycles, the first - order interpretation of querying language for semistructured data, and explore structural recursion and bisimulation in semistructured data and propose an efficient and systematic way to computing a bisimulation between the two graphs. we also proposed and implemented a web querying system with database features
基於這些準則，對一個簡單的半結構數據查詢核心語言的語法提出了兩方面擴充；給出了計算數據圖中正規表達式的演算法；對半結構數據查詢語言的一階邏輯描述、結構遞歸和數據圖的雙態模擬（ bisimulation ）等問題進行了研究，提出了一種判定數據圖的bisimulation演算法；在xml數據查詢語言研究的基礎上，設計並實現了一種具有數據庫查詢特性的web查詢系統原型。 -
In this paper, a safe, reliable, and intellectual control plan is provided aiming at the heat charge for dwelling district, which contains epigynous machine responsible for data processing and hypogynous mahcine responsible for unlocking the valve, by means of serial communication between them, combining homemade three - channel valve, to adminstrate the charge data and the valve efficiently. the main idea is based on the homemade three - channel valve. the vavle is locked at peacetime, while it is opened with the help of open tool and a water flow in the caliduct. as soon as the flow stops, the valve locks automatically. the open tool has data in its memory, and implement function by lcd and keyborad. so it can identify data and drive motor, to open the valve intellectually. the epigynous machine database manage system administrator the dweller information, standard heat charge and payment infomation etc, including store, configure, query, print etc, then store in the memory of open tool. as a result, the plan can do well in the experiment
此閥平時是鎖閉的，只有用開啟器配以暖氣片中的水流才可打開，一旦水流斷開，則此閥會自會鎖閉。而開啟器則是根據其存儲器中的數據配以液晶顯示及小鍵盤，完成數據確認及電機驅動，自動對相應用戶的三通閥打開特定角度，完成開啟任務。上位機數據庫管理系統完成對用戶信息、熱費標準、繳費信息等原始數據的常規管理，包括存儲、設置、查詢、列印等，最後將處理后的數據傳到開啟器中存儲。 -
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。 -
Involuntarily, questions of these engineering datas " management appear, datas " persistance only depending relational model and rdbms is greatly insufficient, so this paper carefully studies object - relational mapping based on rdbms based on the analyse of home & overseas actualities, correlative theories and realizing methods of object - relational mapping, we find opl based on rdbms is the most suitable for object relatinoal mapping of clera. based on the engineering application analyse of opl in clera, function requirements, database modes, interface criterions and functions, running modes of opl have being detailedly described. with the framework of microsoft dna, a kind of realizing method of opl based on com / dcom / activex component technology has being brought forward, and this paper describes realizing keys from base tables " definition, object id and class hx class and inheritance of class, object storage, parallel control and affair, object query, object nesting, relations between objects, support of complex data types, right control of object and buffer management of object
本文在分析對象?關系映射技術的國內外現狀、相關理論及實現方法的基礎上，研究發現基於rdbms的opl是目前最適合clera的對象?關系映射方法；在clera的opl應用分析的基礎上，詳細描述了opl的功能要求、數據庫模式、介面規范與功能、運行方式等內容；結合microsoftdna開發框架，提出了一種基於com dcom activex組件技術的opl實現思路，並從基本表定義、對象標識與類標識、類與類繼承、對象存儲、並發控制與事務、對象查詢、對象嵌套、對象間聯系、復雜數據類型的支持、對象級權限控制及對象緩沖管理等幾方面概述了實現要點。 -
The system stores spatial data and characteristic data into central database, and provides services to users in server / client mode. as the research emphases of this thesis, several key sub - systems are designed and realized. the digital map input and maintenance subsystem performs format conversion, editing and updating of spatial data ; the rail - track video playing subsystem uses video recording as reference data, then plays, inquires and traces the corresponding frames in synchronous to the scaled mileage, realizing the query of the active picture frames ; the digital map query subsystem fulfills the map query, preview and spelling of digital map orthograph
其中，地形圖輸入與維護實現了數字地圖的格式轉換、編輯處理以及空間數據的更新操作，解決了不同格式空間數據的互相轉換問題；線路錄象播放將線路錄像數據作為系統的一種索引數據，活動影像的畫面與里程相對應，實現了基於線路錄像的播放、查詢和檢索的功能，實現了基於活動畫面的查詢檢索功能；數字地圖子系統完成了圖形查詢、數字地圖與線路正射圖像瀏覽、圖幅拼接等功能。 -
This would allow you to denormalize the database to improve query performance
這就允許您降低數據庫的規范化以提高查詢性能。 -
Analyze query in database engine tuning advisor
「在數據庫引擎優化顧問中分析查詢」 -
In order that the database can be expediently queried, a www query system was realized using jsp technology
為了方便廣域網上對數據庫的查詢，採用jsp技術實現了一個www數據庫查詢系統。 -
Firstly, it constructs ekgcsdb based analyzed region all groundwater hydrochemistry data, then based on ekghsdb it conducted secondary developing and realized erdos cretaceous groundwater hydrochemistry analysis system ( ekghas ) seeing mapgis as developing platform, it took advantage of many tools and methods in the course of realization, for example, visual c # computer language, mapgis65 developing technology and ado technology etc. the system can complete not only basic database management, figure display and query but isoline form function
在全面分析了研究區水化學資料的基礎上，首先構建ekghsdb ，接著以mapgis為基礎平臺，通過使用visualc #語言，利用mapgis65組件式開發技術與ado技術，以建成的ekghsdb為基礎，進行了二次開發並實現了鄂爾多斯盆地白堊系地下水水化學空間數據庫分析應用系統（以下簡稱ekghas ） 。 -
Main technic of giss webgiso thus function modules architecture and network topological structure are confirmed webgis system implements the basic function of electronical map, such as map zoonu pan, and the abundant query of geograph and database by using maplnfo mapxtreme for java as map server and jsp., java technico this system also can implement the routing of linesx analysing of buffer and so on0 this paper advances storage model of roads and pipelines topology data, efficiently solves the maintenace problem of network topology data of webgis and implements the shortest path algorathm based on webgis by improving it0 the system has better opening by suppling database interface of map ? the system has perfect on - line help and user forum and favorable interfaces and implementation of this system makes fundament for the further research of webgiso
本系統利用mapinfomapxtremeforjava作為地圖服務器，採用jsp和java技術，實現了基於webgis的電子地圖的縮放、漫遊等基本功能，並具有豐富的圖文定位查詢功能；實現線路路由、緩沖區分析等輔助決策功能；構建了道路管線網路拓撲數據的存儲模型，有效地解決了基於webgis的網路拓撲數據的維護問題；對dijkstra演算法進行了一些改進，實現了基於webgis的最短路徑演算法；本系統提供了電子地圖數據庫介面，使本系統具有很好的開放性和通用性； webgis系統軟體具有完善的在線幫助和用戶交流論壇，人機界面友好。 -
Multi - strategy means as follows : utilizing classifying data mining methods based on decision tree to analyze the data in grade database. a grade decision tree is generated to show directly a position of grade according to different computing methods and to support estimate. at the same time, utilizing classification method based on summing - up principles to do such things as grade query analysis and prediction and contrast analysis to realise automatic generation of grade analysis report, test paper ’ s quality assessment report and quality analysis table which plays an active role in improving teaching and test paper ’ s quality
這里多策略主要是指:採用基於決策樹的分類挖掘方法，對學生成績庫中數據進行分析，生成學生成績決策樹，能直觀顯示出某一成績在不同等級計算方式中所處的位置，為教學部門提供評價信息;同時採用基於總結規則的統計分析方法，完成不同情況下的成績查詢、預測及對比分析，實現學生成績分析報告、試卷質量評價報告及質量分析表的自動生成。 -
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。 -
Query data, you can input sql text in the sql textbox, click execute, designer will query database, and display all result in html view
查詢數據，可在中間的sql語句編輯框中輸入sql查詢語句，點擊執行來查詢數據庫，並將查詢所得顯示為一個html頁面。 -
We use a query database benchmark, and the hardware is an 8 - way smp system with a large disk configuration
我們採用查詢數據庫基準測試程序，而在硬體上，採用帶大磁盤配置的8路smp系統。 -
The application can control the releasing of text, table and picture information, can also query database after connected with it
控制軟體可以控制文本、表格、圖像等信息的發布，還可以與數據庫建立連接后進行數據庫信息查詢。 -
Ibm workplace data access is a tool for business users to create and query database applications that will run on different desktop environments including both windows and linux
Ibm workplace data access是商業用戶用於創建和查詢運行在不同桌面環境（包括windows和linux ）上的數據庫應用程序的一種工具。 -
Of the beginning of the test, the parameter databases for test - required scillograph must be created, and this is what oscillograph examination need. at the end of the test, the databases, such as query database, certification database, etc. are required to create for users
測試前對各被測示波器的各項檢定參數要建立一個參數庫，這是示波器檢定所必須的；測試后為方便用戶查詢和了解所有檢定過的示波器及其測試結果要建立一個查詢庫、證書庫等等。 -
Among them, the dbms adopted microsoft sql server 2000 structured query database management system, the www server employed the internet information service ( iis ) 5. 0, the web page uses dynamic activex server ( asp ) technology, script language is vbscript, connect the sql server 2000 database with ado and sqloledb technology, the operating system ( os ) is microsoft windows2000 server which is currently the most advanced operating system in pc servers
其中，數據庫應用了微軟公司的microsoftsqlserver2000結構化查詢網路數據庫系統， www服務器基於國際網際網路信息服務s5 . 0 ， web頁面採用微軟公司動態服務器網頁技術，腳本語言採用vbscript ，通過ado數據控制項，以sqlserver2000支持的sqloledb技術與數據庫相連，操作系統採用目前微軟公司最先進的windows2000server 。
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