database semantics 中文意思是什麼
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Secondly, based on the classification of fuzzy set semantics, we give a new definition on data type. thirdly, by new data types, we give a new fuzzy relational database management system ( frdbs ) database language ( dbl ) and a new quotient operator based on the semantics in fuzzy relational database
利用模糊集合的語義分類，本文提出了一種新的模糊數據類型劃分方法，在此基礎上提出了一種改進的模糊數據庫語言，並提出了一種基於語義的模糊關系除操作和用於數據類型之間進行轉換的上操作和下操作。 -
Db2 universal database uses blank padded comparison semantics - that is, while comparing character strings of unequal length, a copy of the shorter string is padded on the right with blanks so that its length is equal to that of the longer string
Db2 universal database使用以空白填充的比較語義也就是說，當比較長度不相等的字元串時，較短字元串的副本在右邊被填上空白，使其長度與較長字元串的長度相同。 -
The key definitions of spatio - temporal data modeling are summarized and the requirements of spatio - temporal database community, including temporal semantics, spatial semantics, spatio - temporal semantics and query capabilities are specified
摘要闡述了時空數據建模的主要定義，分析了時空數據庫領域的建模需求，包括時態語義、空間語義、時空語義和查詢能力。 -
Furthermore, domain knowledge database and document database are introduced in our method. through the friendly gui and classified domain, users can carry out accurate queries based on semantics in the document database, query and manage lots of documents semantically, thus work efficiency are improved largely
另外，該方法採用了領域知識庫與文檔庫相結合的辦法，通過圖形用戶介面，用戶可以按領域，根據自己感興趣的信息，對文檔庫數據進行查詢；也可以對大量word文檔進行精確的基於語義的查詢和管理，大大提高工作效率。 -
Second, it makes the relations and their semantics explicit, whereas in a standard database schema many relations are implicit in design of the schema
其次，它使關系和它們的語義變成顯式的，而在標準的數據庫模式中許多關系隱含在模式的設計中。 -
One of the major obstacles to this has been the fact that most information on the web is designed for human consumption, and even if it was derived from a database with well defined meanings for its columns, that the semantics of the data is not understandable to every computer on the web
然而，目前作為建立在標準格式化語言上的web ，並不具有良好的語義表示能力，這給基於web的知識級信息集成和信息交換帶來了困難。作為web技術的提升和發展，語義web （ semanticweb ）代表了下一代web的發展趨勢。 -
Can contain the value null and use database semantics for evaluating nulls
可包含null值並可使用數據庫語義計算null值。 -
If xml semantics or database semantics show up in your code, then you ve probably got a data binding api that is poorly written, poorly implemented, or both
如果在代碼中暴露xml語義和數據庫語義，就可能得到編寫很差、實現很差或者兩者都很差的數據綁定api 。
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