尽管可以用文件系统作为替代——而且它们还提供了更好的性能。但它们既没有提供用于搜索信息的查询语言,也没有提供表示关系或事务的概念。
File systems can be used as an alternative and while they offer better performance, there is neither a query language for searching information nor a notion of relationship or transaction.
SQL结构化查询语言基础上建立的数据库系统使得用户能够对数据库进行简单的操作和管理。通过数据库技术可以让用户更好地对企业进行管理。
The database system based on the standard query language — SQL, makes user can easily manage and operate on the database.Users can manage the corporation better because of the database technology.
在某些情况下,在原生XML数据库系统中使用XQuery(一种用于查询 XML数据集合的函数型语言)可能非常有用。
Using XQuery (a functional language designed to query collections of XML data) with native XML database systems can be extremely useful in some situations.
在查询过程中,resourcebundle类负责为系统语言代码查找正确的资源。
When doing the lookup, the ResourceBundle class takes care of finding the correct resources for the system language code.
而在关系语言中,这种查询需要进行也许跨越了多个数据表和系统目录表的联接。
In a relational language, such a query would require a join that might span several data tables and system catalog tables.
分析了数据挖掘原语、查询语言和系统结构。
Analyzing the data mining primitives, query languages, and system architectures.
这研究利用地理资讯系统(GIS)的查询语言(SQL)来评估土壤液化分析。
This research made use of the structured query language (SQL) of the Geographic Information Systems (GIS) to evaluate the soil liquefaction analysis.
为了实现时态数据库管理系统,除了数据模型之外,还需要有一个时态数据库的查询语言。
In order to implement a temporal database management system, we have to set up a query language for the data model.
数据挖掘查询语言的设计是开发新一代数据挖掘系统的关键。
The design of data mining query language is the key of exploring new data mining systems.
在数据库查询系统中应用自然语言理解技术,设计数据库自然语言查询接口,已成为自然语言研究中最具有广泛应用前景的方向之一。
Using NLU technology in the database query system and designing NLQID (natural language query interface of database) has become one of the most hopeful applied fields in the research on NLU.
在系统介绍标记语言和XML的基础上,分析了基于XML的数据查询和查询优化方法。
This paper analyses data searching method and inquiry optimizing method based on systematic introduction of labeling language and XML.
本文描述了以SAP作为程序的开发平台,通过ABAP/4语言实现ERP系统财务模块中会计凭证的分类查询、汇总以及打印功能,这些功能满足了财务人员的基本需求。
As a part of the SAP basis component, the ABAP/4 language realizes the classified-querying, summarizing and printing of the accounting documents in the financial module of ERP system.
论述了在程序设计过程中,使用数据库开发工具独有的字段通用属性、查询设计器、类设计及SQL语言等功能,完成信息管理系统的设计过程。
This paper has a discussion on the process of information management design to use the common property of Database tools, query designer, class design, SQL language in the process of program design.
如何建立一个简单适用的系统词典是自然语言查询系统研究工作的基础和难点之一。
How to build a simple and appropriate system dictionary is one of the foundation and difficulty of our research work.
在分词技术、索引技术、结构化查询语言技术的基础上,提出了一个基于XML文档数据库的信息检索系统,这一系统模型主要由分词模块、索引模块及查询模块组成。
This paper puts forward an information retrieval system based on XML documents database on the foundation of segmentation technology, index technology and structured query language technology.
全面介绍了面向对象的数据库实验系统SDOODBTS的查询语言sdql。
SDQL is a query language for our object-oriented database system SDOODBTS.
论述了一种面向对象的数据库管理系统的直观对象查询语言。
It is well known that object-oriented DBMS (database management system) can provide a rich expressive power for the query languages to meet various needs of some high-level database applications.
在多库系统中,对全局视图的存取操作要分解为针对多个LDB的子操作,可能还要对数据模式及查询语言进行转换。
In multidatabase, access to global view will be decomposed to several sub-operations to several LDB, and perhaps also need data schema translation and query processing.
设计和实现了汉语数据库自然语言查询接口系统(IDCQ),系统包括正则分词子系统和对象语义解析子系统;
The design and implementation of the Interface for Database Query in Chinese (IDCQ). The system includes regular word segmentation subsystem and object semantic analysis subsystem.
给出了系统中的关键技术,包括数据模型、查询语言模型、路由策略、查询处理及优化策略,以及双向递交机制。
There are also some new key techniques for the system here, such as data model, query language model, routing policy, query processing, optimization strategy, and bidirectional delivery mechanism.
系统提供了互操作查询语言IOQL来实现多数据源上的查询。
It provides IOQL (Interoperable Object Query Language) which enables users to manipulate data in multiple databases.
基于贝叶斯网络的XML文档查询选择模型:用户输入自然语言描述的查询后,系统根据文档集合的结构将其构造成多个结构化查询。
The query selecting model of XML documents on Bayesian network: After user inputs the natural query, system constructs several structured queries according to the structure of the document collection.
该文针对当前研究的热点问题——界面层自然语言理解的应用,设计了一个基于面向对象设计方法的受限自然语言数据库查询系统。
This paper aims at a hot researched question-the application of natural language comprehension in interface, designs a limited nature language database query system based on object-oriented design.
系统采用VB 6.0语言编程,通过友好的界面,实现各种查询及服务功能,对当地合理布局农作物品种有较好指导作用。
This system was programmed by VB6.0, and provided every demand and service function through friendly interface. It had some instruction to local agro-production and the reasonable crop distribution.
利用XML查询语言的优点改善企业信息系统查询的性能,达到跨平台查询的目的。
The excellence of XML query is expounded in the paper, by using this XML query it can be reached to enhance corporation information system query performance and to achieve the cross-platform query.
一个例子是结构化查询语言,它是大多数关系数据库查询系统的基干形式。
An example is the language SQL (Structured query language), which forms the backbone of most relational database query system.
本文提出一种适用于管理信息系统中关系数据库查询的自然语言接口模型。
In this paper, an interface model of the natural language is proposed, which is suitable to the query of relational database on MIS.
同时,查询分类可以作为降低跨语言检索系统查询翻译的歧义性的技术手段。
Moreover, query classification could be the technical method to reduce the query translation disambiguation of CLIR.
知识查询和操纵语言是目前多代理系统中广泛采用的通讯规范之一 ,它规定了标准格式来支持代理间的实时通讯。
An Agent communication language—knowledge query and manipulation language is analyzed and an Agent communication model is established based on knowledge query and manipulation language.
知识查询和操纵语言是目前多代理系统中广泛采用的通讯规范之一 ,它规定了标准格式来支持代理间的实时通讯。
An Agent communication language—knowledge query and manipulation language is analyzed and an Agent communication model is established based on knowledge query and manipulation language.
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