确实如此 //@yong321: 回复@sikolee_: I think you're right: 10g seems to do the same. 🔗 网页链接 "If the backup is directly to tape using a third-party media management product, then this does not have any effect because unused-block optimi展开全文
RMAN will automatically apply UNUSED BLOCK COMPRESSION for a LEVEL 0 backup. But, When backing up to a media manager that is not Oracle Secure Backup, RMAN copies all the blocks regardless of whether they contain data or not. oracle在11gR2对第三方的备份软件进行了限制。转发 1评论 0
