b database 中文意思是什麼

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。

Invited by professor s. b yao, professor wang went to university of maryland, usa as a visiting scholar from 1984 to 1986 to assist in designing and developing an extendible database management system, also known as xdb dbms

自1981年畢業后留校工作以來，一直從事計算機數據庫和知識庫系統方向的教學科研和系統開發工作。培養和正在培養博士碩士研究生100餘名。

B. returning the database id of a specified database

B .返回指定數據庫的數據庫id

B. dropping a credential for a database master key

B .刪除數據庫主密鑰的憑據

This scheme integrates universual data accesss technology of microsoft, which plays a more and more important role in three - lay c / s ( client / server ) and uses the technology of ado ( active data access ), adopts the asp script language in display the results and uses stored procedure of sql server in databases design. in the system of b / s, client realizes a high efficient access to the server database through displaying diversified active controls in browser and using ado to access the data source. the disposing of data accures under the database not in the font of this system. this kind of scheme cannot only bring the system a higher real time response, but also decrease data runoff of the networks, lower the possibility that web server becomes bottleneck of the system and make the system more transplantable

當前的web數據庫訪問技術正處于發展階段，針對這種情況，本文通過分析當前各種流行的web數據庫訪問方案的優缺點，結合在三層次的c / s系統中扮演越來越重要的角色的中間件技術，採用了microsoft公司所提出的一致數據訪問技術，利用ado控制項，結合當前的asp語言，底層數據庫採用了sqlserver7 . 0的存儲過程技術，設計了一種自己的web數據庫訪問方案，即在browser / server系統當中，客戶端通過顯示在瀏覽器中的各種activex控制項，通過了ado連接數據庫，數據的處理利用了存儲在數據庫內部執行，實現對後端數據庫的高效訪問，並且這種方案在給系統帶來較高的實時響應性能的同時，減少了網路數據流量，降低了web服務器成為系統瓶頸的可能性，也增強了系統的可移植性。

The essence of edid is to set up a normal behavior fuzzy sub collection a on the basis of watching the normal system transfer of the privilege process, and set up a fuzzy sub collection b with real time transfer array, then detect with the principle of minimum distance in fuzzy discern method the innovation point of this paper is : put forward the method of edid, can not only reduce efficiently false positive rate and false negative rate, also make real time intrusion detection to become possibility ; have independent and complete character database, according to the classification of monitoring program, design normal behavior and anomaly behavior etc., have raised the strongness of ids ; use tree type structure to preservation the character database, have saved greatly stock space ; in detection invade, carry out frequency prior principle, prior analysis and handling the behavior feature of high frequency in information table, have raised efficiency and the speed of detection, make real time intrusion detection to become possibility ; have at the same time realized anomaly intrusion detection and misuse intrusion detection, have remedied deficiency of unitary detection method

這種方法的實質是在監控特權進程的正常系統調用基礎上建立正常行為模糊子集a ，用檢測到的實時調用序列建立模糊子集b ，然後用模糊識別方法中的最小距離原則進行檢測。本文的創新點是：通過對特權進程的系統調用及參數序列的研究，提出了基於euclidean距離的入侵檢測方法edid ，不僅能有效降低漏報率和誤報率，而且使實時入侵檢測成為可能；設計有獨立而完整的特徵數據庫，根據被監控程序的類別，分別設計正常行為、異常行為等，提高了檢測系統的強健性和可伸縮性；特徵數據庫按樹型結構存儲，大大節省了存儲空間；在檢測入侵時，實行頻度優先原則，優先分析和處理信息表中的高頻度行為特徵，提高檢測的速度和效率，使實時入侵檢測成為可能；同時實現了異常入侵檢測和誤用入侵檢測，彌補了單一檢測方法的不足。

After knowing fully the present situation of business operation of the golden cereal company and development characteristics in logistic - system field, the mathematics model of logistics system has been established in the article with the application of linear program method in operational research, as well as the strategy of minimum route in graph theory and the thought of transiting all over ; meanwhile, on the foundation of internet network technology and structure of b / s, the online optimization design and production of web page have been carried out for the logistic - system of the golden grain farming capital company with adoption of jsp ( java server page ) technology and sql server database technology

本文在充分了解金色谷農資公司的業務運行現狀和物流配送行業發展特點的基礎上，應用運籌學的線形規劃方法，以及圖論中最短路徑的策略和圖的遍歷的思想，建立了配送系統數學模型；並基於internet網路技術b s結構基礎上，採用jsp （ javaserverpage ）技術和sqlserver數據庫技術，對金色谷農資公司物流配送系統進行了網上優化設計及網頁製作，研製開發了金色谷農資智能配送網。

A page gel, stained by the petiodic acid - schiff ' s method to reveal glycoproteins, further displayed that the bindng - protein was a glycoprotein belonging to lectin, which contained 17. 4 % ( w / w ) neutral carbohydrate content of the glycoprotein detected by the phenol / h2so4 method. peptide mapping was comparable to the reported protein in protein bank. the database homology search ( ncbi blast ) indicated that the binding - protein shared 70 - 80 % homogeneity to l - aspartate oxidase, aspartyl / glutamyl - trna ( asn / gln ) amidotransferase subunit b, glutamyl - trna reductase, histidyl - trna synthetase

連續梯度聚丙烯耽胺凝膠電泳、 sds一聚丙烯酞胺凝膠電泳和等電聚焦的結果表明該蛋白分子量為1 「 . skda ，由二個相同的亞基組成，亞基分子量為」 . ikda ，等電點為8 . 25 .糖蛋白染色結合考馬斯亮藍染色的結果證實此結合蛋白是個糖蛋白，其中糖含量為17 . 44 % ，蛋白含量為82 . 56 % .凝集反應確定該糖蛋白也是一個凝集素

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。

Bringing hong kong job seekers the opportunity to search the global careermosaic j. o. b. s. database, where you can search by field of experience, job title, company and location

生態旅遊方式，特別有意義的戶外活動項目探險登山攀巖徒步航空體育運動業余無線電為您準備了豐富的絕無僅有的探險生態套餐，

This paper mostly describes the research and realization of some key technologies in the talent database of science and technology in guangdong, which include the system architecture, web - db accessing technology, application programming model, capability optimize and security. 1 ) there are many kinds of architectures of web - dbs, such as b / s architecture, b / s / s architecture and multi - tiered b / s architecture

本文主要描述了廣東省科技人才庫系統中若干關鍵技術的研究和實現，主要包括： 1 ）從體系結構的角度來看， web數據庫系統可以採用b / s 、 b / s / s和多層b / s體系結構。

With the widely applied of web technology in catering, the information management system of restaurant based on internet is developing fast 。 based on the local area network, this subject researches and completes the foregrounding of restaurant achieved on the electronic business platform by using java and network database technologies 。 by combining all of these, this paper researches the foregrounding of restaurant, and brings forward the scheme of completing system based on b / s mode 。 all research and work including the process of development of enterprise information nowadays ; the research on net application of java ; the design of developing platform ; the research and design of system frame and function ; the research and realization of the database design ; the design and realization of the room information 、 client information 、 sell information and the adding menu of the management system of manager 。 among these i mainly research the following key technologies : the design of data flow diagram and entity - relationship diagram ; the modeling of virtual floor using java applet and java gui ; the linking realization between jsp and sql sever 2000 ; the design of room - query 、 reserving - room and the judgment of reserving again ; the design of coding and ordering fishes list ; the design of checking - out of the system ; the design of the cancel of the order 、 statistics of the consumption and the inputting of data of the manager 。 this system completes the restaurant booking - room 、 ordering - dishes 、 checking - out and helping based on local area network, and completes the information query and adding data of the manager 。 at last, by testing, the system shows that the system is feasible and the good effect expected can be acquired, and it greatly enhances the restaurant information 。

主要研究工作包括:國內外企業信息化的發展歷程; java的網路應用研究;系統的開發平臺設計;系統體系結構和功能模塊的設計;數據庫設計的研究和實現;管理員管理系統的包間信息、客戶信息、銷售信息和菜譜添加的設計與實現。其中重點實現了如下關鍵技術:數據流圖和e - r圖設計; javaapplet和javagui相結合的虛擬樓層建模; jsp網頁與sqlsever2000數據庫的連接實現;訂包間系統的包間查詢、訂包間和重復訂包間判斷設計;點菜系統的編碼設計和點菜單設計;結賬系統的賬單計算;管理員管理系統的訂單取消、消費統計和數據輸入等設計。本課題研製的餐館前臺信息管理系統實現了餐館的局域網前臺訂包間、點菜、結賬和幫助功能;同時實現了管理員管理系統的信息查詢和添加數據等功能。

Limits the checking to the integrity of the physical structure of the page and record headers, the physical structure of b - trees, and the allocation consistency of the database

將檢查限制為頁和記錄標頭的物理結構完整性、 b樹的物理結構以及數據庫的分配一致性。

The company v. b. plasfil deals in applications of database and also in software development

作為一家高效能的生產型企業， v . b . plasfil製造數據庫應用，軟體開發范疇內的產品。

Thirdly, adopting b / s model based on neural network model of raw - material mill system, the author builds web network database system of wuhan university of technology cement simulation. the web system uses the prevailing technique of iis plus asp, visiting access database through odbc, opening database with ado and executing sql command, so the user can add, query, delete and update the database on sever through browser, which can achieve the function of web publishing and database management

第三，本課題採用b s （ browser server ）模式，基於生料磨系統的神經網路模型，建立了武漢理工大學水泥模擬web數據庫系統，利用目前流行的iis + asp技術，通過odbc介面訪問access數據庫，利用ado對象打開數據庫，執行sol命令，使用戶能通過瀏覽器對服務器端的數據庫進行添加、查詢、刪除、修改等操作，實現了數據庫的網上發布和實時管理功能。

Many former systems like this is purely according to c / s mode, but this system is base on the combine of c / s and b / s, and the same time, the high speed network technique of today is used, therefore the function of this system is more perfect ; the constructions of each departments of this system about database are discussed ( include mold construction, the table construction of database etc. ), the key techniques of database ( stored process, trigger and the safety technique ), the safety design of database, the safety design of program etc., and the establishing of data warehouse of customer is introduced, and a technique about graph of customer data warehouse ( realized with powerbuilder ) ; the design of network construction is briefly discussed ; the choice of servers is introduced in detail ( include the database server and the the web server )

以往的此類系統大多單純基於c / s模式設計，而本系統是兩種模式的結合，充分利用當今高速發展的網路技術，所以功能更加完善和強大；數據庫技術方面詳細介紹了各分系統的功能模塊設計（包括模塊結構、數據庫表結構設計等） 、后臺數據庫的關鍵技術（存儲過程、觸發器和數據庫的安全技術） 、數據庫安全性設計（採用雙機容錯解決方案） 、程序安全性設計和權限配置等，同時介紹了客戶數據倉庫的建立方案和客戶數據倉庫的一種可視化技術（用pb和sybase的工具來實現） ；簡要介紹了系統的網路結構設計過程；詳細介紹了服務器的選擇和選擇結果（包括數據庫服務器和web服務器） 。

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。

Then the paper demonstrates the process to system modeling, analysis and design making use of object - oriented technology and uml, describes and analyses especially expression result to the user ' s needs and system model of uml view. the systematic model to consistency of the user ' s needs model is proved, and the superiority of using object - oriented thought is announced in the software researches and develops. the paper has put forward system ensemble frame mode relying mainly on b / s structure and complemented of c / s structure, and discussed the superiority of choosing java as the programming language and oracle database as stores for the data ; finally, the paper describes the implementation and running situation of ammis based on web, and summarizes the relevant technology and question in the development course of application system

然後，論文論述了運用面向對象技術、 uml統一建模語言進行系統建模、分析和設計的過程，重點描述、分析了使用uml視圖對用戶需求和系統模型的表達結果，論證了系統模型與用戶需求模型的一致性，揭示了面向對象思想在軟體研發過程中應用的優越性，提出了以b s結構為主、 c s結構為輔的系統總體結構模式，討論了選擇java為編程語言、 oracle數據庫為數據存儲的優越性；最後，描述了基於web的飛機維修管理信息系統的實施運行情況，並對應用系統開發過程中相關技術和問題進行總結，對系統待改進之處進行了分析，對飛機維修企業信息化進行了展望。

Thirdly, under objective conditions, this article make more detailed research and confer of some important technology, and get a method of combining webgis technology, database technology, b / s structure and multimedia technology

接著根據實際情況，對系統建設的一些關鍵技術做了較為詳細的理論研究和探討，給出了webgis技術、數據庫技術、 b / s結構和多媒體技術在旅遊信息系統中的集成方法。

Party b can inquire the talents database

常年為乙方（企業會員）提供人才信息查詢服務。