E-commerce, which means online data processing and transaction processing business, is one of the value-added telecommunication services.

电子商务，即在线数据处理与交易处理业务，属于增值电信业务中的一项。

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Database software mainly consists of two segments: online transaction processing and data warehousing.

FORBES: Oracle Can Milk Exadata Servers And Software For Spurt Above $40

In essence, Hadoop replaces the role of OLAP (online analytical processing) in preparing data to answer specific questions.

FORBES: Big Data Requires a Big, New Architecture

This is especially true in online analytical processing, which stores the data in an optimal form to support specific types of analysis.

FORBES: Big Data Requires a Big, New Architecture