data schema中文什么意思

例句与用法

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1. Because profile providers store profile information separately for each application , you must ensure that your data schema includes the application name and that queries and updates also include the application name
   因为配置文件提供程序为每个应用程序单独存储配置文件信息，所以必须确保数据架构包含应用程序名称，并确保查询和更新也包含应用程序名称。
2. This idea comes in two flavors : your physical data schema should drive the development of your objects and that a conceptual / logical data model should be ( almost ) completely developed up front before you begin to design your objects
   这种观点有两种版本：物理数据模式应该驱动对象的开发以及，在开始设计对象之前，概念/逻辑数据模型应该基本完全开发出来。
3. This paper discusses the issue of integrating water resources data using xml based on extensive analysis and research work . it is focus on the problems related with heterogeneous data schema and query processing in water resources domain
   本文以水利领域数据现状和对数据集成的要求为基础，进行基于xml数据集成的研究，重点解决水利领域数据模式的异构问题和查询语言的转换问题。
4. The mapping rule from express data schema to relational databases schema is studied . the translation of the different semantic data types of express into the data definition language of sql is discussed . the persistency of step data in relational databases is realized based on an entity instance manager in working form
   论文对express信息模型到关系数据库模型的映射规则进行了研究，详细分析了express语言的不同数据类型到sql数据类型的转化方法，并对内存实现方式的产品数据仓库的结构、功能进行了研究，阐述了基于关系数据库的实体实例索引表的建立方法。
5. Based on the understanding of the ontology semantic of database , users can pose customized query without following the strict data schema , we further developed a concept ontology library that represents the schema of the original database and an algorithm that transforms the concept ontology library from graph to tree under flexible semantics to solve np problem when direct query on graph
   提出了基于本体的柔性查询，用户通过了解数据库本体语义信息而发出的查询不必遵循严格的数据库模式也能得出结果。重点研究了描述半结构化数据语义信息的概念本体库的提取，以及为提高查询效率将具有图结构的本体转化为树的算法。