mmdb

Research of free page management way in MMDB

内存数据库中空闲页面管理的方法研究

A Realization Method for the MMDB Access Path

一种内存数据库存取路径的实现方法

This makes main memory database ( MMDB ) becoming more practical .

这使得内存数据库（MMDB）变得更加实用。

The partitioning technology of MMDB is to organize and manage logical database objects .

内存数据库分区方法是将数据库逻辑对象存储在内存中的组织管理方法。

The final part is a summary of this thesis and expectation of the MMDB system , the direction of future development .

论文的最后，展望了MMDB系统的未来发展方向。

The MMS system contains MMSC , MMDB , Operating Center , Testing Tools and the NetWork .

多媒体短消息系统由MMSC、MMDB、业务受理中心、测试工具以及通信网络等组成。

MMDB was divided into database management module and database application module according to its principle , function and the structure of a core network .

根据主存数据库系统基本原理和核心网络构架的情况以及主存数据库系统的功能，将主存数据库的设计分为数据库管理和数据库应用两大模块。

On Claw in Chinese Locking Scheme for MMDB

内存数据库中的锁机制

In recent years , the MMDB ( Main Memory Database ) becomes a hot area of research in the database at home and abroad .

MMDB（内存数据库）的研究近年来一直是国内外数据库领域研究的热点。

Traditional database can 't satisfy those requirements at some field , so the memory resident database ( MMDB ) comes true .

传统的磁盘数据库在某些领域已经不能满足需求。为了有更快的存取性能，能对用户的请求给予更快的响应，内存数据库应运而生。

Pool allocation model is proposed based on main-memory database ( MMDB ) organization and management methods , and use design patterns to optimize it .

提出一种基于池分配模式的内存数据库（MMDB）组织管理方法，并用设计模式对其进行优化。

All of its modules are realized and the aim is achieved . The study on this task has lessons for other systems using MMDB technology .

该课题的研究对开发和实现其它的使用内存数据库的系统具有一定的借鉴意义。

The traditional MMDB assumes that the entire database is stored in volatile main memory , so there is no trouble of data loading .

传统的内存数据库要求内存数据库能容纳全部外存数据库，因此没有数据装入的问题。

Besides , it can support the two-way star replication for specified table of multiple MMDB through providing replication of separate disaster storage recovery .

提供容灾存储分离的复制方式，支持多个MMDB之间的指定表的星型双向复制。

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。

Many of the traditional methods in disk resident database are not useful , so in this paper , we give a MMDB recovery model supporting the real time database .

传统的数据库恢复技术已不再适用，为此本文给出了一个完整的支持实时数据库的MMDB恢复系统。

T tree , which is the most significant index structure in MMDB , is used not only as index but also as database free spaces manager in this prototype .

T树是主存数据库技术中重要的索引树结构，原型系统中不但使用T树来做索引结构而且采用T树进行数据库自由空间管理。

The definition and implementation about the structure of MMDB are discussed , and the mechanism of static and dynamic storage structure are analyzed in detail , its dynamic characteristic is shown .

研讨了内存数据库结构的定义以及实现，并对静态和动态存储结构的机制作了详尽的分析，突出地反映了动态特性。

Firstly , basing on the frame of UNICOM 's manager system and technology of MMDB , this discourse narrates the share main memory 's structure with the operation of UNICOM account background .

文章在联通运营支撑系统架构和内存数据库有关技术的基础上，结合联通综合帐务后台的具体业务，首先阐述了基于内存数据库技术的共享内存的组织结构；

The high performance of RTDBS needs the main-memory database system ( MMDB ) 's support , and MMDB insures that the transaction has no I / O access in its running time .

RTDBS的高性能要求以内存数据库（MMDB）做底层支持，MMDB事务在运行过程中没有内外存数据I/O。

With support of log driven checkpointing schema and reloading algorithm , " Fast Recovery Model " not only improves the system 's stabilization , but also provides the method of fast restart when MMDB fails .

该模型依据快速日志驱动检查点算法、重载算法，以及模型架构上的支持，不仅能保证系统的可靠运行，同时能在系统崩溃时提供快速、高效的恢复系统的手段。

The index is one of the commonly used method to improve database performance . Generally , real-time database ( RTDBS ) expects to treat main memory database ( MMDB ) as the underlying support to improve the real-time performance .

其中索引是常用的提高数据库性能的方法之一，通常在实时数据库（RTDB）（？）户是以内存数据库（MMDB）作为底层支持来提高实时性能。

Our research breaks concept of designing traditional disk DBs , and refers to character of accessing fast in main memory . Thus , new physical structure and data format in MMDB are advanced based on existing partition-segment model .

打破传统磁盘数据库系统的设计观念，考虑内存的直接快速存取的特点，在原有区&段式结构的基础上提出了新的物理组织模式及其数据存储结构。

Main memory database ( MMDB ) breaks the bottleneck of traditional relation database based on disk , making the system performance and reliability enhanced greatly . This thesis analyses the business and problems of telecom operating supporting systems in detail .

内存数据库（mainmemorydatabase，简称MMDB）系统则打破了传统的基于磁盘的关系数据库系统技术的瓶颈界限，使得系统性能和可靠性得到极大提高。

To implement the trade platform , we developed our Message Oriented Middleware ( MOM ) and Main Memory Database ( MMDB ) with good scalability and high performance to divide the AP Server , Access Server into different processes .

在具体的实现中，又引入了自主开发的消息中间件（MOM）和内存数据库（MMDB），将APServer、AccessServer分成不同的进程，具有良好的伸缩性和高性能。

This paper discussed the new grid partition rule and the new grid indexing computing into details and evaluated on the algorithm complexity and the ability of optimization . Thirdly , we explored the usage of main memory database ( MMDB ) .

文章详细描述了新算法的网格划分规则和网格索引计算方法并对算法复杂度和算法优化能力做出了评估。第三，内存数据库应用探索。

This method adopts a physical storage mode based on memory page and a logical organization manner based on Hash Table and T - tree index . It can be used to build MMDB ( Main Memory Data Base ) in the embedded system .

该方式采用基于内存页的物理存储方法和基于Hash表与T-树索引的逻辑组织方法，适用于在嵌入式系统中构建基于内存的关系型数据库。

This paper presents some results on index structures from an ongoing study of MMDB , and proposes a new index structure , the T-tail tree . At last it gives the main algorithm of the T-tail Tree and the performance of these algorithms .

该文列举了当前MMDB研究中关于索引结构的一些成果，并设计了一个新的索引结构&T-tail树，最后给出了T-tail树的主要算法和这些算法的性能分析。

One approach to achieve high performance in the DBMS in the critical application is to store the database in main memory rather than on disk . Then one can design new data structures and algorithms oriented towards increasing the efficiency of the main memory database ( MMDB ) .

在关键业务中，提高DBMS性能的一个途径是把数据库放在主存中而不是硬盘中，这样便可以设计新的数据结构和算法，来提高内存数据库（MMDB）的效率。

The system will set up a high-speed buffer zone for the data coming from conventional disk database and perform management of the data with assistance of main memory database . The vulnerability of a MMDB makes its loading ( including initial loading and running load ) very frequent .

而内存数据库的脆弱性使得数据的装入比较频繁（包括初装和运行时装入），因此传统的装入策略对实时内存数据库就显得不合适。