relational view造句
例句與造句
- a dataset is a relational view of data that can be represented in xml
數(shù)據(jù)集是數(shù)據(jù)的關(guān)系視圖,可用xml表示。 - this class allows components to mix xml and relational views of the underlying data . see
該類允許各組件將xml和基礎(chǔ)數(shù)據(jù)的關(guān)系視圖混合在一起。 - the following code example shows how to access the relational view of the data in an
以下代碼示例顯示如何訪問xmldatadocument中數(shù)據(jù)的關(guān)系視圖。 - class, which provides a relational view of the loaded xml data . any changes made to the
類有密切的從屬關(guān)系,后者提供所加載的xml數(shù)據(jù)的關(guān)系視圖。 - only needs to match the xml elements that you want to expose in your relational view
請注意,dataset的架構(gòu)只需匹配需要在關(guān)系視圖中公開的xml元素。 - It's difficult to find relational view in a sentence. 用relational view造句挺難的
- creating a relational view over data in an xml column isn t much more complicated than projecting xml element values
為xml列中的數(shù)據(jù)創(chuàng)建關(guān)系視圖并不比投影xml元素值復(fù)雜多少。 - and load it from an xml document, and then access the relational view of the data using the
創(chuàng)建一個新的xmldatadocument并從xml文檔中加載,然后使用xmldatadocument的dataset屬性訪問數(shù)據(jù)的關(guān)系視圖。 - use this tutorial to learn how to develop applications that bring all of this data together in a simple relational view
如果有的話,請閱讀本教程,學(xué)習(xí)如何開發(fā)能將所有這些數(shù)據(jù)集中到一個簡單的關(guān)系視圖中的應(yīng)用程序。 - from an xml document . this provides a relational view of existing hierarchical data . the table names and column names in your
僅使用架構(gòu)填充dataset(如強類型化的dataset),使其與xmldatadocument同步,然后從xml文檔中加載xmldatadocument。 - the aim of constructing virtual database is to provide a united relational view for user transparently visiting internet sites and other data sources
建立虛擬數(shù)據(jù)庫的目的是為用戶提供一個透明訪問internet站點和其他數(shù)據(jù)源的統(tǒng)一的關(guān)系視圖。 - provides the relational view of the same data by defining tables, columns, relations, and constraints, and is a stand-alone, in-memory user data store
dataset通過定義表、列、關(guān)系和約束提供了相同數(shù)據(jù)的關(guān)系視圖,它是一個獨立的、內(nèi)存中的用戶數(shù)據(jù)存儲區(qū)。 - when a query on the relational views is issued, it is repeatedly rewritten using the rules . this process generates number of navigation plans to compute the query; the cost of these plans is then estimated based on a simple cost model that takes network accesses as the primary cost parameter . in this way, an efficient execution plan is selected for processing the query
當(dāng)根據(jù)關(guān)系視圖發(fā)出一個查詢時,它被重復(fù)的使用重寫規(guī)則來重寫,這個過程產(chǎn)生大量的導(dǎo)航方案來運算查詢。這些方案的代價是根據(jù)代價模型來評估的。代價模型是用網(wǎng)絡(luò)訪問作為原始的代價參數(shù)。