Yousettherecoverywindowtosevendaysand&enspYousettherecoverywindowtosevendaysandthebackupoptimizationtoONusingtheCONFIGUREcommandofRecoveryManager（RMAN）.ThemostrecentbackupoftheTOOLStablespacetodiskwastakenonJanuary3.TheTOOLStablespaceisreadonly.OnFebruary
题目
Yousettherecoverywindowtosevendaysand&ensp
YousettherecoverywindowtosevendaysandthebackupoptimizationtoONusingtheCONFIGUREcommandofRecoveryManager（RMAN）.ThemostrecentbackupoftheTOOLStablespacetodiskwastakenonJanuary3.TheTOOLStablespaceisreadonly.
OnFebruary21，whenyouexecuteacommandtobackupallthetablespacestodisk，youfindthatRMANbacksuptheTOOLStablespacealso，eventhoughthecontentsofthetablespacehavenotchangedafterthebackuponJanuary3.
BecausetherearenochangesmadetotheTOOLStablespace，youdecidethatthetablespaceshouldnotbebackedupbyRMAN.WhatcanyoutodoskipbackinguptheTOOLStablespacewithoutchangingthecurrentbackupoptimizationsetting？（）