分析实现强一致性的两阶段提交协议和实现弱一致性的数据复制技术。
The strong consistency is carried out by the protocols of submission with two phases. And the weak consistency is carried out by using the techniques of data replication.
数据复制技术对提高数据的可用性和数据访问的性能有着重要的意义。
The data replication technology is crucial to improve data availability and data access performance.
存储子系统层次的快照系统常用的数据复制技术主要有拆分镜像和写前拷贝等。
The common data replicate technologies of snapshot system in storage subsystem layer are split mirror and copy-on-write.
简要介绍了目前容灾系统常用的数据容灾技术——异地数据复制技术，及其实际应用中的建设方案和性能估算方式。
Data disaster tolerance technology, which is usually used by disaster tolerance system, is presented in brief. Its construction solutions and performance evaluation are also given.
以医院集团信息系统为背景，分析了集团信息系统中数据交换存在的问题，探讨了基于分布式数据库的数据复制技术。
On the background of hospital groups information system, this paper introduces the problems of data exchange, discusses the distributed database and data replication technique.
Sendfile(2)是一种避免缓冲区复制开销的技术，并且它直接将数据位从文件系统转移到网络。
Sendfile (2) is a technique that avoids buffer copy overhead, and it directly pushes bits from the file system onto the network.
对于确保随需应变业务环境中的数据可用性，数据复制是一项重要的技术。
Data replication is an important technique for ensuring data availability in the on demand business environment.
数据保护是一系列计算出的风险，像快照、连续数据保护(CDP)、复制和RAID技术都无法提供绝对的安全保障。
Data protection is always a series of calculated risks, and even such technologies as snapshots, continuous data protection (CDP), replication, and RAID are not absolute guarantees of security.
在传统的数据库部署中数据库复制技术常常被用来达到高可用性。
In traditional database deployments database replication techniques are commonly used to achieve high availability.
复制技术能不能也用到RDS中，从而让客户能够为不同的数据库实例指定不同的维护时机呢？
Can replication techniques be used within RDS, given customers can specify different maintenance Windows for different database instances?
法庭取证时，调查人员通常会使用数据获取技术，这种技术通过电脑上的USB接口或并口来复制硬盘上的内容。
Those investigators typically use data-acquisition techniques that rely on replicating a drive via USB or a parallel port.
抽象技术概念，如“数据服务”或“复制服务”，就业务来说没有任何意义。
Technical concepts, such as a "data service" or a "replication service," don't make any sense in business terms.
AdvancedCopyServices (acs)使您能够利用受支持的存储设备的快速复制技术，该技术可用于执行备份和恢复操作的数据复制部分。
DB2 Advanced copy Services (ACS) enables you to leverage the fast copying technology of supported storage devices to perform the data copying part of backup and restore operations.
使用从数据库日志文件或数据库触发器触发的存储并发送 (store-and-forward)技术将操作发送给复制。
The operation is sent to replicate using store-and-forward techniques triggered from a database log file or database triggers.
DB2pureScale Feature利用了远程磁盘镜像技术，用来处理数据库复制产品。
The DB2 pureScale Feature leverages remote disk-mirroring technology, and it is designed to work with database replication products.
然后针对数据同步技术、缓存的一致性技术、可变一致性复制机制进行了不同程度的研究。
Thence it is processed variant degree research on data synchronism technology, cache consistency technology and variable consistency server replication.
通过实例说明了SQLSERVER复制技术在地震前兆数据集成中应用的可行性。
The feasibility of the application of the SQL SERVER copying technique in earthquake precursory data integration is explained through examples.
缓存的一致性技术和可变一致性复制机制在解决数据一致性问题时具有一定的实现难度。
Cache consistency technology and variable consistency server replication are of definite difficulty in solving data consistency.
票价计算采用计价缓存机制，提高计价效率，并利用复制技术实现全路计价缓存数据的实时性和准确性。
Pricing fare calculated used caching mechanisms to improve the efficiency of pricing, using complicated technology to implement the real time and accuracy of pricing cache data.
但是就其技术本身而言，运动捕获技术是对运动的复制，所获取的数据只能在特定的环境下应用。
But as to the technique itself, motion capture is the reconstruction of real motion, and the data it captured can be used only in specific environment.
移动数据库主要具有以下几种关键技术：移动事务处理技术、移动查询优化技术、复制与缓存技术。
Mobile database is mainly composed of some pacing technologies: mobile transaction processing technology, mobile query optimization technology, copy and cache technology.
针对这种问题，介绍和分析了当前解决数据集成的几种主要方式：多数据库系统，数据的复制、迁移和转换，中间件技术。
About the question, we introduce that dealing with it have several mostly format currently, for instance, more databases system, copy, moving transforming of data, and middleware technology.
在数据库异构程度不断加深的情况下，异构数据库复制技术的研究已成为数据库复制研究的重点。
With the growing of database's heterogeneities, the replication technology of heterogeneous database has become a key area of database replication research.
即写即拷(或牛)技术完全延迟或防止复制的数据。
Copy-on-write (or COW) is a technique to delay or altogether prevent copying of the data.
针对一般分布式方案中存在的不足，构建了一个基于数据库复制技术的分布式系统。
Aiming at the shortage on normal distributed project, this paper puts forward a kind of distributed system based on database replication technique.
数字水印技术可用于版权资源保护、检查非法复制、监控版权多媒体数据使用。
Digital watermarking is the enabling technique to prove ownership on copyrighted material, detect the originator of illegally made copies, monitor the usage of the copyrighted multimedia data.
在简要说明数据库复制技术目标的基础上，本文重点展开论述了数据库复制中的核心问题、解决方法与研究现状。
This paper firstly introduces the objectives of database replication in brief, mainly focuses on discussing the key problems, solutions, and the present situation of research on database replication.
数据容灾，是指建立一个异地的数据系统复制本地数据，可采用同步或异步复制技术。本文就此进行分析。
This paper discusses the key concepts of data replication disaster recovery, synchronous and asynchronous , and makes an analysis on them.
高可用技术包括RAID、集群、数据库复制和硬件复制，企业可以根据自身的情况，使用一种或多种技术，建立满足自己需求的高可用系统。
The high availability technology includes RAID, cluster, database replication and hardware replication. The enterprise should take one or more technology to meet his own HA requirement.
同时服务器之间采取事务复制技术，及时将集中更改的数据反映到各订阅服务器，满足了数据的及时同步。
And servers adopt transaction replication, which reflects promptly the data changed to subscribe servers and meet real-time synchronization of the data.
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