The design of the relation database is mainly the choice of the database and the design of data list .
关系数据库的设计,主要是数据库的选择和数据表的设计。
Select the relation database type (MS SQL 2000, Oracle, or DB2) for the new configuration, and click on Next.
选择新配置的关系数据库类型(MSSQL 2000、Oracle或DB2)并单击Next。
The Mapping process each element in DTD and mapping to an object schema. Then the object schema is mapped to the relation database schema.
映射的策略是以分析处理DTD中的每一个元素映射为对象模型,再由对象模型映射为数据库的关系模型。
The joint query is the mainly query in the relation database. This article showed the order of the joint query on multi-tables through the example.
联接查询是关系数据库中最主要的查询,本文通过实例说明关系数据库中进行多表联接查询时联接的顺序性。
To the software functional planning of information management of intelligent community, the chapter provides the relevant design of the relation database.
针对智能小区信息管理系统软件功能的规划,本文给出了相应的关系型数据库设计。
This paper discusses how to mine data in a way that based on SQL language and making it fit for the relation database better, so it is used in teaching evaluation.
本文介绍一种更适合于关系型数据库关联规则挖掘的、基于SQL的频繁项关联规则挖掘算法,并将其应用于教学评价。
On the basis of analyzing the characteristic of the MARC data stored in the relation database, this paper proposes a kind of designing scheme of a MARC data mirror system.
在分析关系数据库中MARC数据存储特点的基础上,给出一种MARC数据镜像系统的设计方案。
We applied the relation database technology to develop the knowledge base of expert system, which gives the abilities of storage, maintenance and extension to the knowledge base.
实现了将关系型数据库技术应用在专家系统知识库的开发,使整个知识库具有很好的存储、维护、扩展知识的能力。
The constraining factors for performance are the number of concurrent database connections and available memory (both RAM and disk) in relation to incoming data volume.
性能的限制因素是关于进入的数据量的并发数据库连接的数量和可用内存(RAM和磁盘)。
The quantile statistics default value is controlled by the num_quantiles database configuration parameter and provides information about how data values are distributed in relation to other values.
分位数统计信息的默认值由 num_quantiles数据库配置参数控制,该值提供了数据值对于其他值而言是如何分布的有关信息。
An example of such a service that could be impacted to this degree is a simple inquiry into a well-indexed relation database where the service implementation does minimal processing.
可能受到这种程度影响的服务的一个示例就是对具有良好索引的关系数据库进行简单的查询,在这里服务实现做了最小的处理。
A feature called a view allows you to create an arbitrary relation between documents that is not actually defined in the database itself.
一个称为视图的特性允许您为没有在数据库中定义的文档创建一种任意关系。
Its main research object is the transaction database, its essential target is to discover whether there is certain connection relation between items in transaction database.
关联规则的主要研究对象是交易数据库,其主要目标就是发现交易数据库中交易项目之间是否存在某些关联关系。
Distributed relation database architecture (DRDA) is the common protocol used for communication between the client and the server, and is provided by the Runtime client.
分布式关系数据库体系结构(distributed relation database architecture,DRDA)是用于客户机与服务器之间通信的常见协议,它由RuntimeClient提供。
To create a new feed from the product table, the production manager first clicks on the New Feed link on the main page and selects Relation Database Query (SQL) from the supported data sources list.
为了从产品表创建新的提要,生产经理首先单击主页上的NewFeed链接,并从受支持数据源列表中选择 Relation DatabaseQuery (SQL)。
The mapping can be combined for a direct DTD to relation database schema.
映射过程也可合并为直接有DTD到关系数据库的映射。
In all cases, you must give the user the opportunity to transform itself from your database to delete, as well as in relation to read that you have collected about their data.
在一切情况下,您必须给用户机会将他们自己从您的数据库中删除,以及览阅您已收集的关于他们的资料。
The tradionary method for designing relation database table is to erect E - R diagram, and then tran mapped to database table.
对于关系数据库表的设计常采用的方法是建立E—R图,然后进行映射生成相应的数据库表。
Thirdly, it run through advanced marketing concepts such as "relation marketing", "service marketing", "combine marketing" and "database marketing" in the course of whole research.
三是将“关系营销”、“服务营销”、“整合营销”和“数据库营销”等先进的市场营销理念贯穿于整个研究过程中。
This paper presents a system scheme for Urban Pipeline Network information System. Extended relation database is used to store and manage the attributes and graphic information of pipelines.
提出了城镇管网信息系统的总体设计与实现方案.该系统使用广义关系数据库存储和管理各类管线的属性信息和管线的图形信息;
Based on ERP, we apply object oriented programming tool and relation database tool to research the realization and management of the metadata of data warehouse.
基于ERP建模体系,应用面向对象程序设计工具和关系数据库工具,研究数据仓库元数据实现和管理。
Active fuzzy data model is studied based on relation data model. Following an introduction to active fuzzy database technology, the structure of active fuzzy database is analyzed.
在关系数据模型的基础上,对主动模糊数据模型进行了研究,介绍了主动模糊数据库技术,分析了主动模糊数据库的结构。
The paper introduced the basic conception of math of relation database model, N-ple relation, fordered N-ple and fordered sets.
给出了关系数据库模型的数学基本概念,如N元关系、N元有序组及N元有序组集合。
This paper discuses the mapping algorithm between XML document and relation database, the mapping algorithm between XML document and object-oriented database and isomeric database over XML.
论述了XML文档与关系数据库间的映射规则算法、XML文档与面向数据库间的映射规则算法及基于XML异构数据库间的映射规则。
On this basis, it emphasized how to establish the node basic information database and the restricting relation database, and constructed out the mathematic model of the planar linkage mechanism.
在此基础上,着重阐述了如何建立结点基本信息数据库和约束关系数据库,从而构造出平面连杆机构的数学模型。
In the relation of the database theory of the computer, we encounter some problems which can be translated into the problem for parameter and Hamilton cycle of double graphs or complement graphs.
计算机科学数据库的关系中遇到了可归为倍图或补倍图的参数和哈密顿圈的问题。
According to the demands, the structure of the database has been designed: defining data, defining table, building relation data model and designing the data structure.
按照任务的目的和要求,设计了其数据库系统结构:定义数据、表、创建数据关系模型及设计数据结构。
XML technology has been introduced and the relation between the database and XML has been discussed. It has explored the application progress of XML technology in the database exchange.
通过介绍XML技术,阐述了数据库和XML之间的关系,探讨了XML技术在数据库交换中的应用进展。
But it is very difficult to use common data-management technique based on relation database to the geological data because of their distinct spatial features and complex configurations.
然而,地学数据显著的空间特征和复杂的结构属性又不能简单运用常规的数据库管理系统进行表述、处理。
But it is very difficult to use common data-management technique based on relation database to the geological data because of their distinct spatial features and complex configurations.
然而,地学数据显著的空间特征和复杂的结构属性又不能简单运用常规的数据库管理系统进行表述、处理。
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