It also provides an abstraction on top of data storage and retrieval.

它也提供一个抽象的顶端数据存储和检索。

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SDO components provide a common abstraction for data flow between components regardless of scope.

SDO 组件提供了组件间数据流的公共抽象，而与范围无关。

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This module-level scoping provides a degree of abstraction (data hiding) that lets you restrict visibility of the database to a specific module.

此模块级范围提供了一个抽象级别(数据隐藏)，允许您限制数据库对特定模块的可见性。

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Now these ideas of classes, object-oriented programming, data abstraction, are about 40 years old, they're not new ideas.

面向对象编程的概念，数据抽象的概念，都是40年前就有的老东西了。

麻省理工公开课 - 计算机科学及编程导论课程节选

The Cascalog system has combined the Cascading system for abstraction of advanced data processing on Hadoop and other systems, the Datalog declarative programming language that is well suited for expressing database queries in an abstract form, and the Clojure language to create a declarative language for queries that can be run on Apache Hadoop.

FORBES: Why Adopting the Declarative Programming Practices Will Improve Your Return from Technology

The trade-offs involved in using abstracted data in relational databases versus non-abstracted data in non-relational databases, relying on pre-abstraction versus self-abstraction of high-volume data streams, and so on are not obvious, will change as technology involves, and will depend on the company and the problem.

FORBES: Three Ways To Make Big Data Make Money