描述數據庫 的英文怎麼說
中文拼音 [miáoshùshǔjùkù]
描述數據庫
英文
descriptive data base- 描 : 動詞1. (照底樣畫) copy; depict; trace 2. (在原來顏色淡或需改正之處重復塗抹) retouch; touch up
- 述 : Ⅰ動詞(陳說; 敘述) state; relate; narrate Ⅱ名詞(姓氏) a surname
- 數 : 數副詞(屢次) frequently; repeatedly
- 據 : 據Ⅰ動詞1 (占據) occupy; seize 2 (憑借; 依靠) rely on; depend on Ⅱ介詞(按照; 依據) according...
- 描述 : describe; represent
- 數據庫 : data bank; data base; data pool; data library數據庫管理系統 data base management system; 數據庫計...
- 數據 : data; record; information
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Describes data access programming with visual c, where the preferred way is to use one of the class libraries such as the active template class library or microsoft foundation class library, which simplify working with the database apis
描述如何使用visual c + +進行數據訪問編程,首選方式是使用類庫(如活動模板類庫( atl )或microsoft基礎類( mfc )庫)之一,這將簡化對數據庫api的使用。In addition, because there is internal relationship between the formalism of relational database, " relational algebra ", and the clausal logic used by ilp, ilp methods can directly deal with mining task involved in multiple tables of relational database
此外,由於關系數據庫的形式描述? 「關系代數」與ilp的子句邏輯有著內在的關聯性, ilp技術可被直接用於涉及關系數據庫中多個關系(表)的數據挖掘任務。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。The management work data of oil - field earthquake exploration and oil - well position, which has not only data of current space position, but also entitative attribute data describing, have great capacity, traditional cad graphics describing the data plus the model database managing mode ca n ' t already adapt the modem exploration with well geography information for management work demand, so it is necessary to realize the unique management of exploration and oil - field well space data and attribute data use advanced geography information system ( gis ) technique, this thesis is based on the excellence ' s table ' s top geography information system - the maplnfo software, using the second process technique, the digital relief map and tectonic map as the base map, the earthquake exploration database as the original data, established the gis of the exploration and oil - field well in the area of the liaohe oil - field, realize visualization management, it provides a reference thereunder for the earthquake exploration deplo ying the workload and proceeding the technique design, and completed lots of practical work
油田地震勘探與油井井位管理工作數據量大,既有空間位置數據,又具有實體的屬性描述數據,傳統的cad制圖+屬性數據庫管理模式已經不能適應現代勘探和井位管理工作的需要,採用先進的地理信息系統( gis )技術,實現勘探和油田井位空間數據和屬性數據的統一管理是必然的趨勢。本文以優秀的桌面地理信息系統mapinfo軟體為開發平臺,在此基礎上進行二次開發,以數字化地形圖、構造圖為載體,以地震勘探數據庫為數據源,建立了遼河油田范圍內的地震勘探和油田管理信息系統,實現了數據的可視化管理,為地震勘探部署工作量、進行技術設計,提供了圖形和數據的參考依據。並完成了很多實際工作。In the prototype, a middleware using xml technology is constructed between the client ( or browse ) and database server, the communication between database server and the middleware is based on the xml information and interface. by means of the jdbc interface, we can transporently access hetergeneous databases system. and using xml information that is expressed in a structure, text - based format, we can describe the database information more accuratetly in a general format. at the same time, in order to describe the structure of xml files more clearly, the transpormation from schema has been realized
該模型在客戶端(或瀏覽器方)和數據庫服務器間利用xml技術構建了一中間件,在此模型中,中間件和數據庫服務器之間的通訊是建立在xml信息和jdbc介面之上的。通過jdbc ,可以透明地訪問異構數據庫;藉助于基於文本的結構化的xml信息,可以更精確地以一種通用的語言來描述數據庫信息。同時,為了更精確地描述xml文件自身結構信息,實現了從dtd到xmlschema的轉換。The vq - based approach assumes a gaussian mixture distribution, which fits real - world image data reasonably well. after estimating this distribution through em method, this approach trains optimized vector quantizers to partition data space
該方法使用更適合真實圖像庫的高斯混合模型描述數據分佈,並訓練優化的矢量量化器劃分數據空間。A database schema describes the current structure of the tables and database views in the database
數據庫架構描述數據庫中表和數據庫視圖的當前結構。Chapter five discussed the general process of development of data mining statistical information system based on jjms, including design of multi - dimension business space, design of method base, construction of data sources, data preprocessing, system architecture and so on. at last it discussed the effect, shortage, improvement of jjms and the conclusion and elicitation
第五章結合「紀檢監察統計分析系統」討論了將描述數據挖掘技術應用於統計信息系統時的一般思路,包括多維業務空間的設計、方法庫的設計、數據源的建設、數據預處理、系統架構設計等內容,最後對系統運行效果、系統的不足和改進、結論和啟發進行了論述。The system design includes information model, function design and dada - base logical relation. the information model is established by entity - relation method, and the e - r picture is ploted, and the in - out diagram is gived out ; the fuction designed is established by idef0 method, the subsystems are designed according to the model in detail, we give out the explaining document and explain the calculation method for the model ; we design the data - base logical relation by the above models, decide the distributing and partition the relation diagram of the data - base, then define the logical structure of the diagrams
其中信息建模採用實體-聯系的方法建立系統的信息模型,並用idef1x圖表示出該信息模型,同時給出電泵物資管理系統輸入輸出信息表;功能設計用idef _ 0方法建立電泵物資管理系統分系統功能模型,參照功能模型對內部各子系統進行詳細設計,給出分系統功能模塊的詳細說明書及相應功能演算法描述;數據庫邏輯設計依據系統分析結果、信息模型及功能模型,確定電泵物資管理系統數據庫分佈,劃分數據庫內部關系表,定義表的具體邏輯結構。The transaction log records the mark name transaction name, description, database, user,
事務日誌會記錄標記名稱、描述、數據庫、用戶、2 ) semantic description methods based on metadata we construct a semantic model of metadata to describe attributes characters. the model includes data schema and data content statistic
2 )基於元數據的語義描述方法以數據庫元數據為基礎,建立數學模型,用於描述數據庫對象的語義特徵,涉及范圍包括數據模式和數據內容統計。This paper analyzes the three levels about data organization to help understand the structure of road network, describes the features, attributes and relations in spatial data of navigation system, and develops the topological relations in road network
摘要針對汽車導航系統中道路數據的空間組織,分析了道路網的三個描述層次,概括了其組成的基本要素及屬性和描述數據集,探討了運用道路數據的組織和空間關系來建立地圖數據庫,為導航系統的道路數據標準化提供依據。Describes the column metadata of the schema for a database table
描述數據庫表的架構的列元數據。Describes optional column metadata of the schema for a database table
描述數據庫表的架構的可選列元數據。Describes how to work with data from a secured data source
描述數據庫安全性的實現及其對ado . net應用程序整體安全性的影響。Describes attributes of database engine errors, such as severity, state, and line number
描述數據庫引擎錯誤的屬性,例如嚴重性、狀態和行號。Describes how a database schema describes the current structure of the tables and database views in the database
描述數據庫架構如何說明數據庫中表和數據庫視圖的當前結構。Provides links to topics that describe the properties of database objects and the visual databases tools dialog boxes
提供指向描述數據庫對象屬性和可視化數據庫工具對話框的主題的鏈接。Association rule mining is an important sub - branch of data mining, which describes the potential relationships between attributes and variables in databases
關聯規則挖掘是數據挖掘的一個重要分支,是描述數據庫中數據項(屬性、變量)間存在的潛在關系。Essentially a dtd describes the vocabulary s structure the tags and attributes, similar to the way a database schema describes a database s structure the tables and columns
簡言之, dtd描述了詞匯表的結構(標記和屬性) ,類似於數據庫模式描述數據庫的結構(表和列) 。分享友人