摘要
本文研究了ＯＲＡＣＬＥ的回退段管理机制，提出了为数据库规划回退段的思想和方法。遵照本文提出的方法创建回退段，可以部份避免由于回退段的不合理造成的空间浪费、Ｉ／Ｏ竞争、性能低下。
This paper discusses the Rollback Segments organization and architecture on ORACLE DBMS,and proposes the theories and method of managing Rollback Segment.With the method,it could be reduced largly that disk space occupying,I/O contention,transction failure ect.It is helpful for other similar DBMS also.
出处
《计算机应用》
CSCD
1997年第1期25-27,共3页
journal of Computer Applications
