uniform data access service 统一的数据访问服务
Data grids are more of a service. A uniform sea of memory, spanning several servers.
数据网格超越了服务的概念，是内存与服务器的统一体。
Service data Objects (SDOs) replace diverse data access models with a uniform abstraction for creating, retrieving, updating, and deleting business data used by service implementations.
服务对象数据(Service Data Object, SDO)使用统一的抽象代替了各种各样的数据访问模型来创建、检索、更新和删除供服务实现使用的业务数据。
Service data Objects (SDO) 2.1 is a data programming architecture and an API that provides uniform access to data across heterogeneous data sources.
Service Data Objects (SDO) 2.1是一种数据编程体系结构和API，可提供对异类数据源的统一数据访问。
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