The database middleware is based on CORBA, so it is a synthetical middleware based on CORBA middleware.

本数据库中间件是建立在CORBA分布式平台基础上的，是基于CORBA中间件的一种综合中间件。

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However, in order to optimize the query operation, Some database middleware such as MOCHA ship part of codes to the distant sites which are close by the database.

然而，某种数据库中间件(如：MOCHA)为了减少网络数据传输量，实现查询优化，就把部分代码类迁移到近数据库站点进行数据缩减运算。

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How to build a database middleware in an efficient, general-purpose, scalable, cost-effective way will be an important direction in the field of database middleware.

如何构建一个高效、通用、可扩展、低成本的数据库中间件，是当前数据库中间件领域研究的一个重要方向。

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SaaS software applications such as customer relationship management and enterprise resource planning are deployed alongside database and middleware software.

FORBES: Oracle Gets Juice From Software-As-A-Service

In short, Oracle becomes the indirect beneficiary of SaaS applications market growth since these applications require database and middleware software to be deployed on servers.

FORBES: Oracle Gets Juice From Software-As-A-Service

You can buy your applications as a service, buy your database and middleware as a service, and buy your storage and servers also as a service.

FORBES: Oracle Disrupts Cloud Industry with End-to-End Approach