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database model中文是什么意思

  • 数据库模型

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  • 例句与用法
  • Abstract : temporal relational database model is extended from relational database by adding time processing , and temporal object - orient database model is extended from object - orient database by adding time processing
    文摘:时态关系数据库在关系数据库的基础上扩充了对时间数据的处理,而时态面向对象数据库则是在面向对象数据库的基础上扩充了对时间数据的处理。
  • Then we provide a system of axiom based on class level , some algorithms about how to transform class level to database model , three aproches of how to realize properly inheritance in class level
    然后在现有rdbms坚实的理论基础上,对新一代的ordbms创新性地提出了基于类层次的公理系统、变换规则,并给出了基于关系模式的类层次向关系数据库模式转换的基本算法。
  • While xml enthusiasts have begun to see everything in the world encoded with xml tags , the relational database model is entrenched and most of the world s digital data is encoded in tables that are composed of rows and fields
    虽然xml的狂热者可能将世界上的一切都看成是用xml标签编码的,单关系数据库模型仍然根深蒂固,世界上大部分数字数据是用由行和列组成的表来进行编码的。
  • In the application systems based on relational database , the design of database model directly determine the integrity , accuracy and coincidence of database , and has important affects on the performance and efficiency of the database
    摘要以关系数据库为基础的应用系统中,数据库模式的设计优劣直接决定了数据的完整性、准确性和一致性,对数据库的性能和效率也有着至关重要的影响。
  • The visual scene database modeling is the key and foundation of the research on visual scene system and also one of composition parts of the subject of " research on the visual scene system of multi - mission navigation simulator " of shanghai maritime university
    其中视景数据库建模是视景系统研制的关键和基础,也是上海海运学院“多功能航海模拟器视景系统研究”课题的组成部分之一。
  • This paper makes use of how to build the object model for the system utilizing object - oriented tecnique in the system implement and the process of the mapping from object model to the relational database model in order to build database
    依据所提出的产开发过程模型,说明了基于动程的产品开发建模方法? dmpa 。利用面相对象技术建立系统对象模型的方法,以及对象模型向关系数据库的映射,建立数据库。
  • Secondly , we study on how to build the object model for the system utilizing object - oriented technique in the system implement and the process of the mapping from object model to the relational database model in order to build the model of the relational database for the system
    接着,研究了利用面向对象技术建立系统对象模型的方法,以及对象模型向关系数据库的映射过程,进而建立了系统的信息模型。
  • 2 . the characteristics of process industrial real - time database model are introduced and a process industrial data model is built which adopts tags mapping method . the data model can handle the tag computation , lab ' s tag definition and process parameter store
    2 )根据流程工业实时数据库的应用背景,提出了以位号映射为特点的工程数据模型,这种模型支持位号间的计算关系,支持录入功能和计算参数存储。
  • During design , goods imported and exported , queried data management come true with a management system database model and proper accessing technology , via concept design , logical structure design and physical structure design
    设计过程中,通过概念设计、逻辑结构设计和物理结构设计,建立了管理系统数据库的数据模型,选择合适的数据库访问技术,完成系统出库管理、入库管理、查询以及货位管理等功能设计。
  • During design , goods imported and exported . queried data management come true with a management system database model and proper accessing technology , via concept design , logical structure design and physical structure design
    设计过程中,通过概念设计、逻辑结构设计和物理结构设计,建立了管理系统数据库的数据模型,选择合适的数据库访问技术,完成系统出库管理、入库管理、查询以及货位管理等功能设计。
  • 更多例句:  1  2  3  4  5
  • 百科解释
A database model is the theoretical foundation of a database and fundamentally determines in which manner data can be stored, organized, and manipulated in a database system. It thereby defines the infrastructure offered by a particular database system.
详细百科解释
  • 推荐英语阅读
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