Online Application Upgrade Using Edition-Based Redefinition

This paper describes Edition-Based Redefinition (EBR) in the Oracle database — a novel technology and methodology to build database application patches so that installation of these patches does not require application downtime. It discusses the challenge of zero-downtime application patch installation and shows how EBR can meet the challenge. Customer experience shows that EBR provides online application upgrade in several industries. Categories and Subject Descriptors H.2.m [Information System]: Database Management – Miscellaneous D.2.7 [Software Engineering]: Distribution, Maintenance, and Enhancement – Version control General Terms: Management, Languages.

• Type: Conference
• Year: 2009
• Where: HOTSWUP
• Authors: Alan Choi
• Keywords: Application Patch Installation, Database Application, HOTSWUP 2009, Online Application Upgrade, Software Engineering