此模型提高了主动数据库系统的效率。
The model improved the performance of active database effectively.
判定规则集的可观察确定性,是主动数据库中的核心问题之一。
Determining observable determinism of rules is one of key problems of active database.
在主动数据库系统中,这些触发的动作项对于用户事务应如何执行?
How should the execution of these triggered actions be treated with respect to user transactions in an active DBMS?
本文从其理论与实现的两个角度,探讨主动数据库模型及其实现技术。
This thesis explores the active model and its implementation technology from the dual perspective of active database research.
作者对知识发现系统的输出提出了一种自动转换到主动数据库规则的结构。
Writer proposes a framework for the automated translation of the output from knowledge discovery systems to active database rules.
在主动数据库系统中,预先制定相应的规则,用事件作触发器去操纵数据库,能为移动数据库提供主动功能。
In active database systems, establish relevant rules in advance, using events as trigger to manipulate database, can provide active function for mobile database.
本文提出了主动数据库中复合事件的构造形式,对于复合事件的实现及探测,提出了基于“扩展语义树”处理的方法。
In this paper, we present a constitutive form of composite events in Active Database. For implementing and detecting the composite event a method based on the "extended semantic tree" is proposed.
主动规则集的可终止性判定是主动数据库中核心问题之一,利用触发图和活化图的方法来判定可终止性都存在一定的局限性。
Active rules termination is an important problem in active databases, proving termination by using triggering and activation graphs is a conservative approach.
在传统主动数据库的基础上,提出了主动WEB_DB的概念,讨论了主动WEB_DB的体系结构、实现途径以及在客户关系管理系统中的应用。
This paper proposes the conception of active WEB_DB on the basis of the traditional active databases, discusses the architecture about active WEB_DB, realization ways and applications in CRM.
支持主动规则机制已经成为现代数据库系统的一个重要特征。
Active rules support has become an important characteristic of modern database systems.
支持主动规则机制已经成为现代数据库系统的一个重要特征。
Supporting active rules has become an important characteristic of modern database systems.
提出了一种支持现代应用的主动实时数据库系统的触发器机制。
This paper suggests a trigger mechanism supporting advanced application in active real-time database system.
事务的分布性和事务触发的不可预测性使得分布式主动实时数据库系统中的事务调度变得较为复杂。
The distribution of transactions and unpredictability of transaction triggering make the transaction schedule more difficult in distributed active real-time database system (DARTDBS).
空间数据库的主动规则条件测试对于规则的执行效率至关重要。
The condition testing of active rules in spatial database is a key element to the efficiency of rules execution.
主动增量挖掘利用数据库的触发器机制调用存储过程来实现。
Active incremental data mining is implemented by applying the trigger mechanism of the database to invoke procedures.
它提供了用于解决问题的预警通知和数据库深度分析工具,还提供了主动负载管理以及趋势分析功能。
It combines early-warning notification and deep database analysis tools to support problem resolution as well as proactive workload management and trend analysis.
在数据库中实现联机分析挖掘模型需要实现联机分析处理和主动增量挖掘。
In order to implement the on-line analytical mining model, the on-line analytical processing and the active incremental mining need to be implemented in the database.
在水库洪水调度系统等数据库应用软件的开发过程中,存在数据镜像、汇总、备份等实时主动的数据处理需求。
In the development of the reservoir flood control system software, there are many requirements about real active data processing, such as data mirroring, summation and coping.
传统的关系型数据库不能满足电网监控这样的时间关键型应用对实时数据快速响应的要求,而主动实时数据库技术应运而生。
The traditional relational database management system can't fulfill the need of times-critical applications, such as power system monitor. The active real-time technology emerges as The Times require.
介绍了主动面向对象数据库实验系统SDAOODB的体系结构和关键的实现技术。 SDAOODB是国内首家研制的一个主动面向对象数据库系统。
We introduced an active object-oriented database experimental system SDAOODB and discussed the system architecture and the important technique of implementation.
本文将详细地讨论每一个组件,并提供一些关于如何主动监控数据库引擎的性能,以及如何更为积极主动地进行调优的实用技巧。
This article will discuss in detail each of those components and give some practical and useful tips on how to actively monitor database engine performance and how to be more proactive in tuning.
掌握了该知识,您将更加善于解决IDS 的故障诊断问题,并在调优数据库服务器来获取更好性能方面更加积极主动。
With this knowledge at belt, you will feel more at ease to troubleshoot IDS issues and be more proactive in tuning your database server for better performance.
主动实时数据库因结合了时间限制与主动机制而使系统事务的并发控制变得更为复杂。
In active real-time database systems, transaction concurrency control gets more difficult for integrating time constraint with active mechanism.
实现主动模糊数据库的主动服务功能 ,必须建立相关的 模糊事件库与主动 模糊规则库。
The fuzzy event base and active fuzzy rule base should be established to accomplish the active service function of active fuzzy database.
在集群的主动节点(在这个示例中是Node1)的数据库上执行以下命令,让这个数据库成为HADR设置的主数据库。
Execute the following commands on the database of the active node of the cluster (Node1 in this case) to make this database the primary database for the HADR setup.
由于模糊数据所具有的模糊属性,使得在主动模糊数据库中模糊数据的表示以及对模糊数据的更新处理均不同于传统数据库。
In the active fuzzy database, because of fuzzy property of fuzzy data, it is different from traditional database in expression and updating treatment of fuzzy data.
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。
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。
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.
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