实时数据库系统是DCS组态软件体系结构的关键部分。
Real time database is the critical component of architecture of DCS configuration software.
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.
最后给出了一个基于JDBC的分布式实时数据库系统设计的应用实例。
As an application, a design method of a distributed real time database system based on JDBC and Web is given.
一个多级安全实时数据库系统不仅需要有安全限制，同时也要有时间约束。
A multilevel real-time database system must have security constrains in addition to timing constrains.
另外，IACM建立在基于替代的实时事务模型上，适用于嵌入式实时数据库系统。
In addition, IACM associates with the real time transaction model based on function alterative, so IACM suits for embedded real time database systems.
介绍了在面向温室农业生产监控过程的工控组态软件建设中，实时数据库系统的设计。
In the construction of industrial control configurable software for greenhouse agriculture production detection and control process, design of real-time database system is introduced.
嵌入式实时数据库系统常常在无人工干预的情况下运行，因此必须具备较高的可靠性。
Embedded real-time database systems must has high reliability because it usually run without human inter-fere.
本文给出实时数据库系统中的触发器机制，使系统具有实施时限的能力，同时具有主动性。
In this paper, a trigger mechanism for real-time database system is presented. The system have abilities to enforce time-constraints and activate.
尤其就资源的有限性而言，它导致系统不可能完全满足移动实时数据库系统性能多方面的要求。
The unpredictable system workload and even possible overloading, the limited system resources are the problems which must be resolved in mobile real-time applications.
而且，由于移动实时数据库系统中大多数事务都是复杂的嵌套事务，传统调度策略都已不太适用。
Moreover, conventional concurrency control and scheduling methods for update transactions are not suitable in that mobile real-time transactions are complicated and nested.
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).
在分布式实时数据库系统中，保证事务原子性的唯一途径是研究和开发出一个实时的原子提交协议。
In a distributed real time database system, the only way to ensure transaction atomicity is to investigate and develop a real time atomic commit protocol.
一般的工控软件包括图形界面系统、第三方程序接口组件、控制功能组件、实时数据库系统等组件。
The general industrial control software includes graphic interface system, the third party program module, control function module and real-time database system module etc.
本文探讨了流程工业大型实时数据库系统的理论、技术、设计和应用中的一些关键问题及解决方法。
In this dissertation, the research mainly focuses on the theory, technology, designing and application of the process industrial integrated automation system.
实时数据库系统的事务调度一般只考虑事务的截止期，但是，在很多情况下，它还与数据截止期直接相关。
Generally the deadline of transaction is only considered in dealing with real-time transaction scheduling, but in many cases, scheduling method is directly related with data deadline.
从开发背景、解决方案、系统设计与实现等方面对中石化巴陵分公司生产监控实时数据库系统进行分析和说明。
From the development background, solution, system design and realization, the production and supervision real time database system of Baling Petrochemical Company, SINOPEC was analyzed and discussed.
本文阐述了研究监控组态软件(SCADACS)实时数据库系统(RTDBS)的必要性，概述了通用RTDBS的功能和特点。
This paper introduces the necessity of research on RTDBS of supervisory control and data acquisition configuration software (SCADACS), including the function and characteristic of general RTDBS.
本文针对嵌入式系统的应用环境和实时数据库系统的数据特征，通过对各种存储器性能的比较，提出了嵌入式实时数据库系统的存储体系结构。
In this paper, we propose a storage architecture for an embedded real time database system according to the data character of real time application and the performance of the storage media.
本文针对嵌入式系统的应用环境和实时数据库系统的数据特征，通过对各种存储器性能的比较，提出了嵌入式实时数据库系统的存储体系结构。
In this paper, we propose a storage architecture for an embedded real time database system according to the data character of real time application and the performance of the storage media.
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