But while synchronization is primarily a concurrency control mechanism, transactions are primarily an exception-handling mechanism. 但是,当同步主要是并发控制的机制时,则事务主要是处理异常的机制。
The Research of Concurrency Control Mechanism for Distributed Real-Time Transactions in Mobile Broadcast Environments 移动广播环境中分布式实时事务并发控制机制的研究
The paper focused on concurrency control mechanism of mobile transactions and proposed a concurrency control strategy based on dynamic timer. 文中着重研究移动事务的并发控制机制,提出了一种基于动态计时器机制的并发控制策略。
Concurrency Control Mechanism for Collaborative Virtual Geographic Environment 一种面向协同虚拟地理环境的并发控制机制
Research on the Transaction and the Concurrency Control Mechanism of NXD Database NXD数据库事务及并发机制的研究
Concurrency control mechanism in CVE. 协同虚拟环境中的并发控制机制。
On the other hand, in the field of Native XML Databases ( NXD) the research concerning the transaction and the concurrency control mechanism is initiated not long ago. 另一方面,在XML原型数据库(NXD)领域,事务和并发控制机制方面的研究才刚刚开始。
The framework of real time collaborated design environment is proposed in this paper. Some key technologies, modeling sharing, collaborative design agent and concurrency control mechanism are researched. An implementation method of real time collaborated design based on Pro/ E environment is proposed. 文章提出了分布式实时协同设计环境的框架,研究了模型共享、协同设计agent、并发控制机制等关键技术,提出了基于Pro/E的实时协同设计环境的实现方法。
In this paper, the concurrency control mechanism of collaborative CAD system is studied. 因此本文就协同CAD中的核心问题并发控制进行了研究。
The Analysis of Concurrency Control Mechanism for CSCW System CSCW系统中的并发控制策略研究
We basically carry out the concurrency control mechanism in the research of it by means of the primary copy algorithms of the distributed concurrency control, and by using the technology of MTS/ COM+. 运用分布式并发控制的主副本算法,使用MTS/COM+技术,对并发控制机制进行了研究和基本实现。
The Research and Implementation of Concurrency Control Mechanism of Collaborative CAD Based on CSCW 基于CSCW的协同CAD系统并发控制的研究与实现
Research on Concurrency Control Mechanism for Real Time Collaborative Design 实时协同设计并发控制机制研究
This model support mobile computing environment effectively through adopt transaction queue mechanism in server agent layer, and multi-granularity lock concurrency control mechanism on the basic of lock form in server layer. 此模型通过在移动代理层采用事务队列机制,及在服务器层采用基于锁表的多粒度锁并发控制机制来有效地支持移动计算环境。
The protocol presented combines the advantages of multiversion concurrency control mechanism with the advantages of two phase locking. 该协议将多版本并发控制的优点和两阶段封锁并发控制机制优点结合起来。
Workflow Concurrency Control Mechanism for Complicated Application 支持复杂应用的工作流并发控制机制
The design transaction model and high concurrency control mechanism which guarantee correctness and consistency is the key in PDM. 解决PDM中对长周期设计事务的高度并发控制、保证设计数据的正确性和一致性是PDM中的关键技术。
A concurrency control mechanism for solving phantom problem in database system 数据库中解决幽灵问题的并发控制方法
Based on the known technologies of MMDB and DRDB, this thesis studies the concurrency control mechanism for business objects in application servers of critical business. 本文以内存数据库和磁盘数据库技术为基础,对关键业务的应用服务器中业务对象的并发控制技术进行了研究。
DRB adopts perfect cache management, concurrency control mechanism of access to shared files based on read-write lock and security mechanism based on Globus GSI to ensure FDSS's providing high-performance, consistent, secure federated data service. DRB采用完善的Cache管理机制,基于读写锁方案的文件共享访问并发控制机制以及基于GlobusGSI的安全机制,保证了FDSS提供高性能的,一致的,安全的联邦数据服务。
A concurrency control mechanism based on SQL 一个基于SQL的并发控制机制
Design and implementation of real time transaction concurrency control mechanism 实时事务并发控制机制的设计及其实现
Study on concurrency control mechanism supporting cooperative design under open environment 开放式环境下支持协作设计的并发控制机制的研究
Concurrency Control mechanism is an important component of a database transaction management and one of important symbols of measuring functional strength and quality of database system. 并发控制机制是数据库事务管理中重要的组成部分,是衡量一个数据库系统功能强弱和性能好坏的重要标志之一。
The main contents and innovations of this thesis are as follows: Firstly, the paper researches the concurrency control mechanism on data of relation, and proposes a new concurrency control mechanism based on main memory? Adaptive Optimistic Concurrency Control Protocol ( AOCCP). 具体工作和创新点如下:(1)研究了基于主存的表数据并发控制机制,通过对原始的乐观并发控制协议的分析,提出了一种自适应的乐观并发控制协议。
Furthermore, the thesis plays an important role in broadening the transaction model of grid database service management and concurrency control mechanism, bettering the implementation of database technology in designing area, exploring usage of grid in industrial design. 另外,本文的研究还对丰富网格环境下数据库事务管理中事务模型理论与并发控制理论,完善数据库技术在设计领域中的应用,探索网格在工业设计的应用也具有重要的理论意义。
Transaction model, concurrency control mechanism and the coordination framework have theoretical significance and engineering practical value. They apply to civil aviation public information service platform. 所提出的事务模型、事务并发控制机制和协调框架,具有一般理论意义和工程实践价值,成功应用于民航公众信息服务平台。
After detailed introduction of the framework and functional modes of the collaborative system, it proves the proposed concurrency control mechanism to be effective, feasible and successful. 详细介绍分析了协同系统框架和功能模型。结果证明本文提出的并发控制机制是有效的、可行的、成功的。
In comparing the current concurrency control mechanism of some of the existing situation, this paper propose solutions to two conflicting ways: First, the use of exclusive rights management lock and a combination of concurrency control methods, and second version of the replication technology. 在比较目前现有的一些并发控制机制的情况上,本文提出解决两种冲突方法:一是利用排它锁和权限管理相结合的并发控制方法,二是版本复制技术。