Applications may instead require a transactional approach where devices submit transactions that update multiple backend systems instead of a single database.
应用程序可能需要事务化方法，其中设备将提交更新多个后端系统(而不是单个数据库)的事务。
This article assumes that you have a basic knowledge of relational database systems (RDBMS) and have previously implemented applications using either DB2 or another RDBMS.
本文假设您了解关系数据库系统(RDBMS)的基本原理，并且用DB 2或其他RDBMS实现过应用程序。
Database systems can be complex pieces of software, especially when they scale to support enterprise-level applications.
数据库系统会成为软件中复杂的部分，特别是在规模扩大到支持企业级应用程序的时候。
As a virtual disk, DRBD provides a flexible model that a variety of applications can use (from file systems to other applications that can rely on a raw disk, such as a database).
作为一个虚拟磁盘，DRBD提供一个供各种应用程序使用的灵活模型(从文件系统到依赖于一个原始磁盘的其他应用程序，比如数据库)。
The Apache Derby database provides a nearly complete implementation of the SQL-92 standard, so applications developed with Derby can be easily transported to other database systems.
ApacheDerby数据库为SQL-92标准提供了几乎完整的实现，所以用Deryby开发的应用程序可以容易地移植到其他数据库系统。
This has created the requirement of exchanging business data in XML among applications based on relational database systems.
这就产生了基于关系数据库系统的、以xml格式交换业务数据的需求。
Finally we point out that there are many other important applications of analytical graph in relational database systems.
最后，我们指出分析图在关系数据库系统中的许多其它重要应用。
The problem of designing information integration systems is important in current real world applications, and becomes a hot topic of the database research.
在当前的实际应用中，设计信息集成系统很重要，并且已经成为数据库领域的研究热点。
Therefore, it contains the basic theories that are inevitable for the designers of compilers, operating systems, database as well as other applications.
因此，编译器的设计者、操作系统的设计者、数据库的设计者和其他软件设计人员都需要理解本课程讲解的基本原理。
Therefore, it contains the basic theories that are inevitable for the designers of compilers, operating systems, database as well as other applications.
因此，编译器的设计者、操作系统的设计者、数据库的设计者和其他软件设计人员都需要理解本课程讲解的基本原理。
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