Serializable concurrency control protocols are unsuitable for real-time database systems.
可串行化的并发控制对传统应用是合适的。
Embedded real-time database systems must has high reliability because it usually run without human inter-fere.
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。
In active real-time database systems, transaction concurrency control gets more difficult for integrating time constraint with active mechanism.
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。
The results of performance comparison and evaluation show that 1PRACP can improve the performances of mobile distributed real-time database systems.
对1PRACP进行了性能比较和评测，显示了它在各方面的优越性。
With the rapid development of computer network and the database technology, the real-time database systems (RTDBS) are widely used in various application fields.
随着计算机网络技术、数据库技术的飞速发展，实时数据系统(RTDBS)的应用领域也越来越广。
Multiversion optimistic concurrency control (MVOCC) protocol and mobile transaction real-time commit (MTRTC) protocol are presented for mobile distributed real-time database systems (MDRTDBSs).
提出了移动事务实时提交协议(MTRTC)和多版本乐观并发控制协议(MVOCC)处理移动分布式实时事务。
Such artifacts are often stored in existing relational database management systems or file systems, or the artifacts are generated dynamically by Web services, real-time data feeds, or other software.
这种工件常常存储在现有的关系数据库管理系统或文件系统中，或者由Web服务、实时数据feed或其他软件动态地生成工件。
The integration principle to active real time Database (DB) and the standard for the consistency of active real time systems is also given.
提出了主动实时数据库完整性准则和主动实时描述一致性的标准，对主动实时机制的抽象描述进行了讨论。
In addition, IACM associates with the real time transaction model based on function alterative, so IACM suits for embedded real time database systems.
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。
Functions of most domestic DRS systems are not perfectly developed at present. Some DRS systems have no real-time module, lack of well-developed FAQ database or short of expert-dispatched.
目前国内大多数数字参考咨询服务系统的功能还不尽完善，有些系统没有实时咨询模块，有些系统则缺乏完整的常见问题库或没有专家调度。
With the development of control systems in chemical process, vast operating data are collected from the process and stored in real-time database.
随着化工过程自动化程度的提高，可以从过程中采集大量的运行数据，这些数据具有高维、非线性等特点。
In this paper, I analyze and study the problem of real-time of the database that applied in the industrial control embedded real-time systems in the background of the industrial control application.
本文将结合工业控制的应用背景，来分析和研究工控应用系统中嵌入式数据库的实时性问题。
Timing constraints in real time database systems have data timing constraints and transaction timing constraints.
数据的定时限制和事务的定时限制。
Timing constraints in real time database systems have data timing constraints and transaction timing constraints.
数据的定时限制和事务的定时限制。
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