On-Line Transaction Processing

What Does On-Line Transaction Processing Mean?

On-line transaction processing (OLTP) refers to computer systems that manage and facilitate transaction-oriented applications, usually involving data entry and retrieval. OLTP frequently uses client/server processing and brokering software involving several companies and/or an entire computer network, which may include several LANs or a WAN.

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Techopedia Explains On-Line Transaction Processing

Web services and service-oriented architecture often have OLTP integrated into them. If an enterprise is dependent upon OLTP, a system stoppage or breakdown can severely impact operations and revenues. Thus, security and reliability become major concerns. Offline maintenance often must be planned and strategically scheduled to minimize negative impacts.

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Margaret Rouse
Technology Expert

Margaret is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical business audience. Over the past twenty years, her IT definitions have been published by Que in an encyclopedia of technology terms and cited in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine, and Discovery Magazine. She joined Techopedia in 2011. Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages.