在注册一个关系数据源上的一个数据源对象时，默认的类型映射决定如何将一个数据源数据类型映射到每个列的DB 2类型。
During the registration of a data source object on a relational data source, default type mappings determine how a data source data type should map to a DB2 type for each column.
为了更好地了解混合型存储，我们来看看XML数据的逻辑视图，体会XML数据如何看起来像是存储在关系数据库表中。
In order to better understand the hybrid storage, look at a view of how the XML data logically appears to be stored inside a relational database.
现在的DB 2是一个混合型的数据库，因为它能够在一个数据库，甚至是一个表中储存关系数据和XML数据。
DB2 is now a hybrid database in that it has the ability to store relational data and XML data in a single database, even in a single table.
另外，基础结构仍然是关系型的，这使XML数据能够利用关系数据库的实用功能，比如触发器、约束和外键关系。
Plus, the fact that the infrastructure is still relational allows the XML data to leverage the proven capabilities of the relational database like triggers, constraints, and foreign key relationships.
DB 29是业界第一款可同时管理关系数据和纯xml格式的数据的混合型数据服务器。
DB2 9 is the industry's first hybrid data server for managing data in both relational and pure XML formats.
DB 2Express - C是一种先进的混合型数据服务器，可以支持关系数据库和纯x ML存储。
DB2 Express-C is a leading edge hybrid data server capable of supporting both relational and pure XML storage.
同时通过对实际开发需求的分析，在传统的关系数据库的基础上，本着易用、够用、简单、灵活的原则，设计了一个轻量型的工作流引擎。
By analyzing the actual requirement, on the principle of easiness, adequacy, simpleness and flexibility, the paper presents a lightweight workflow engine on the basis of relation database.
把树型结构数据存储在关系数据库中，以便于对每一个节点进行各种有关树的操作。
When data of tree structure is stored in database, it is easy to observer modifications of each data node.
本文介绍了树型结构数据在关系数据库中存储的思想和一种在网页中显示树型数据结构的方法。
A thinking about data of tree structure how to stored in relational database and a method of how about these data is displayed on web is discussed in this paper.
对数值型数据保持顺序加密方法进行了分析，在此基础上提出了一种在关系数据库中针对字符数据的保序加密方法。
In this paper the order preserving encryption for numeric data is analyzed. An order preserving encryption method for character data in relational databases is proposed.
不同单元的同一类型参数的相关系数通过对检测数据的数理统计或利用工程师的经验得到估计。
The correlation coefficient of parameters of same type in different elements is estimated by test data or empiric formula.
数据库机器为提高数据库系统的效率提供了强有力的支持，本文结合数据库操作特点从而提出了一种树型关系数据库机tdm系统。
Database systems are more efficient with the support of database machines. By combining the features of database operations, a tree-structured relational database machine TDM is proposed.
提出一种关系数据库水印算法，适用于数值型数据的版权保护。
An algorithm for relational database watermarking is proposed in this paper, and it is applicable to protect the copyright of numeric data.
本文主要的研究内容如下：第一，基于数值型属性的关系数据库水印技术的研究。
In this paper, the study reads as follows: First, based on the numeric attributes of a relational database watermarking technology research.
本文介绍了一个由我们研制的树型关系数据库机tdm的并行操作算法。
This paper introduces a set of algorithms of parallel operations of a database machine TDM, which is a tree-structured relational database machine implemented by us.
关系数据库的内部设计是以关系型数学运算为基础的，和这些系统需要一个预先定义的模型和明确的类型。
The internal design of relational databases is driven by relational math, and these systems require an up-front definition of schemas and types that the data will thereafter adhere to.
通过对关系数据库特征的分析，发现数据允许在一定范围内的变形，利用这个特征提出对关系型数据添加水印的方案。
Through deep analysis on the characteristics of relational databases, it is found that data in a relation may be allowed to take transformations to some extent.
通过对关系数据库特征的分析，发现数据允许在一定范围内的变形，利用这个特征提出对关系型数据添加水印的方案。
Through deep analysis on the characteristics of relational databases, it is found that data in a relation may be allowed to take transformations to some extent.
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