| 1. | Research on geographical relational database model in webgis
中的地理关系数据库模型研究 |
| 2. | Rough relational database model and its relational operations
关系数据库模型及其关系操作 |
| 3. | Are consistent with those in the relational database model
Dataset中的方法和对象与关系数据库模型中的方法和对象一致。 |
| 4. | But mapping class hierarchies to a relational database model might prove somewhat difficult
但是，把类的层次结构映射到关系数据库模型，可能会比较困难。 |
| 5. | The relational data model and use of the sql language allows for enterprise level performance and scalability
关系数据库模型和sql语言的使用必须考虑到企业级性能和可伸缩性。 |
| 6. | In the 1970s , the rigorous mathematical work of e . f . codd and others created the now - ubiquitous relational database model
70年代， e . f . codd与其他一些人通过严格的数学工作创造了现在无处不在的关系数据库模型。 |
| 7. | This article covers three strategies that you can use in your everyday programming to easily map complex object models to relational database models
本文将介绍三个策略，在日常的编程之中您可以用它们把复杂的对象模型容易地映射到关系数据库模型。 |
| 8. | 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。 |
| 9. | 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。 |
