Methods and apparatus for optimizing undo log usage.
摘要
<p>By ensuring that sufficient information from the buffers is maintained so that all changes of uncommitted transactions can be recreated, the storage of the undo buffers into undo logs can be minimized. Further efficiencies may be maintained by keeping a count of actions in a transaction as the actions are undone. <IMAGE></p>
申请公布号
EP0465018(A2)
申请公布日期
1992.01.08
申请号
EP19910305228
申请日期
1991.06.11
申请人
DIGITAL EQUIPMENT CORPORATION
发明人
LOMET, DAVID B.;SPIRO, PETER M.;JOSHI, ASHOK M.;RAGHAVAN, ANANTH;RENGARAJAN, TIRUMANJANAM K.
