发明授权
- 专利标题: Real-time apply mechanism in standby database environments
- 专利标题(中): 在备用数据库环境中实时应用机制
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申请号: US10927927申请日: 2004-08-27
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公开(公告)号: US07996363B2公开(公告)日: 2011-08-09
- 发明人: Mahesh Girkar , Benedicto Garin , Joydip Kundu
- 申请人: Mahesh Girkar , Benedicto Garin , Joydip Kundu
- 申请人地址: US CA Redwood Shores
- 专利权人: Oracle International Corporation
- 当前专利权人: Oracle International Corporation
- 当前专利权人地址: US CA Redwood Shores
- 代理机构: Hickman Palermo Truong & Becker LLP
- 主分类号: G06F17/00
- IPC分类号: G06F17/00
摘要:
A method and apparatus for applying changes to a standby database in real-time. According to one aspect, a change is applied to data contained in a standby database. The standby database functions as a replica of a primary database. The primary database has a current online redo log file to which a particular redo block was written. According to one aspect, prior to the archiving of the current online redo log file, the particular redo block is received at a process associated with the standby database. A change indicated by the particular redo block is applied to the data contained in the standby database.
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