有网友在T.ASKMACLEAN.COM上 提问关于"DELETE ARCHIVELOG ALL COMPLETED BEFORE" 与 "DELETE ARCHIVELOG UNTIL TIME "的区别
。为了了解这2个命令细微的差别,我们先来温习一些 ARCHIVED LOG的知识。
FIRST_TIME
本文转自maclean_007 51CTO博客,原文链接:
http://blog.51cto.com/maclean/1278320