为了应对日益复杂的异类数据库环境，人们意识到需要创建企业数据模型（Enterprise Data Model，EDM）。
To deal with increasingly complex and heterogonous database environments, people realized a need to create an Enterprise Data Model (EDM).
更为有效的方法是对数据进行整合，以便异类数据系统能形成单个数据视图(例如，创建单个经过整合的数据库来存储客户信息)。
A more efficient approach is to consolidate the data so that disparate data systems form a single view of the data (for example, creating a single consolidated database to store customer information).
中介客户机通过向DB 2InformationIntegrator服务器发出查询来建立与DB 2 Information Integrator数据库的连接，并透明地访问异类数据。
The mediator client establishes a connection to a WebSphere Information Integrator database and accesses disparate data transparently by issuing queries to the WebSphere Information Integrator server.
例如，数据库复制和数据库同步就是一些异类。
For example, database replication and database synchronization is something different.
例如，数据库复制和数据库同步就是一些异类。
For example, database replication and database synchronization is something different.
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