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。
This paper proposes a hybrid optimistic real-time transaction concurrency control method based on high priority two phase locking scheme (HORTCC-SHP2PL).
提出了一种基于高优先级两段锁的混合乐观实时事务并发控制协议(HORTCC -SHP2PL)。
In addition to transaction locking, this approach is needed to control the concurrency of applications on a higher level.
除了事务锁定之外,这种方式可以在更高的级别上控制应用程序的并发性。
Concurrency control in business transaction terms usually involves generating and maintaining locks on data stores, such as relational databases.
并发控制在业务事务术语中通常涉及生成和维护数据存储上的锁,例如关系数据库。
This feature to implement multiversion concurrency control (MVCC) : when mutations within a transaction are applied, the values are written at the timestamp of their transaction.
该特性实现了多版本并发控制(MVCC):当使用了事务时,在写入值时需要带上其事务的时间戳。
ZODB is a robust, multi-user, object-oriented database system capable of storing and managing arbitrarily complex Python objects with transaction support and concurrency control.
ZODB是一个健壮的、多用户的和面向对象的数据库系统,它能够存储和管理任意复杂的Python对象,并支持事务操作和并发控制。
The transaction failed to commit due to the failure of optimistic concurrency control in at least one of the resource managers.
该事务没有确认,因为至少一个资源管理器里的乐观并发控制失败。
In a traditional database system, the transaction correctness is implemented through the concurrency control protocol and the recovery mechanism.
传统数据库通过并发控制协议及事务的恢复机制来保证事务的正确性。
The work in this paper provides the foundation for further research on mixed real-time transaction scheduling and concurrency control, and processing mixed transactions in actual application systems.
本文的研究成果为进一步探讨混合实时事务的调度与并发控制,以及实际应用中的混合事务处理提供了良好的基础。
In this paper, distirbuted transaction, concurrency control and resource request model are introduced in detail. The universal deadlock condition in distirbuted database system is summarized.
本文将详细介绍分布式事务、并发控制和资源请求模型,总结出分布式数据库系统的通用死锁条件。
In order to further reduce the number of mobile real-time transaction restarts, we introduce the notion of similarity in concurrency control.
为了进一步减少移动实时事务重启的数目,在并发控制协议中引入了相似性的概念。
This paper studies the model of transaction execution and presents real-time validation concurrency control protocol(RTVCC)for RTADBSs.
该文研究了实时主动数据库事务执行模式,提出了有效性检查并发控制协议。
A concurrency control algorithm based on the transaction conflict graph is proposed.
提出了一种基于事务冲突图的并发控制方法。
The concurrency control strategy of drawing archive data based on transaction language is put forward.
提出了基于事务语义的图档数据并发控制策略。
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。
Serializable concurrency control protocol is suitable for traditional applications. It aims at database consistency, higher system throughput and shorter transaction response time.
可串行化的并发控制对传统应用是合适的,它旨在确保数据库的一致性,提高系统的吞吐量及减小事务平均响应时间。
Transaction is one of the core concepts in modern database theory, and concurrency control technology is the major component of transaction management.
事务是现代数据库理论中的核心概念之一,并发控制是事务管理的主要组成部分。
The design transaction model and high concurrency control mechanism which guarantee correctness and consistency is the key in PDM.
解决PD M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PD M中的关键技术。
Due to this separation, a data warehouse does not require transaction processing, recovery, and concurrency control mechanisms.
由于这种分离,数据仓库不需要事务处理、恢复和并行控制机制。
In mobile computing environment, low concurrency and too many unnecessary transaction restarting exist in original Optimistic concurrency Control Protocol (OCCP).
在移动计算环境中,基本乐观并发协议的事务处理存在并发度低和重启率高等问题。
The concurrency control theory based on its transaction response time priority and the realization of initiative trigger is analyzed.
分析了系统基于事务响应时间限制优先级要求的并发控制原理及利用主动触发机制解决数据竞争的实现方式。
Introduce concurrency control method based on transaction instance lock set and posterior sub-transaction type set.
给出了基于事务实例锁集和后继子事务类型集的多事务多实例并发运行算法。
Introduce concurrency control method based on transaction instance lock set and posterior sub-transaction type set.
给出了基于事务实例锁集和后继子事务类型集的多事务多实例并发运行算法。
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