单项选择题
A. When a file is created in DGROUP1 with the template， it would have three-way mirroring.
B. When a file is created in DGROUP1， the MY_TEMP template becomes the default template.
C. When a file is created in DGROUP1 with the template， it would have two-way mirroring and file striping.
D. When a file is created in DGROUP1 with the template， it would have three-way mirroring and file striping.
E. When a file is created in DGROUP1 with the template， it would have two-way mirroring but no file striping.
单项选择题 Theproductiondatabasehasbeenfunctionalforthelastsevendays.Becauseofapplicationrequirements，someoftheinitializationparameterswerechangedduringruntimewithoutanycomments.Youhaveaskedtofindoutthevalueoftheparameterswhentheinstancewasstarted.Whichsourcewouldyouusetolocatethisinformation？（）
单项选择题 You disabled the Flashback Database feature by using the following command： SQL> ALTER DATABASE FLASHBACK OFF； What would be the effect of this command on the existing flashback logs？（）
单项选择题 YouobservethattheseniordatabaseadministratoralwaysusesthefollowingcommandwhenconnectingtoRecoveryManager（RMAN），andthenstartsexecutingcommandstobackupthedatabasefiles：%rmantarget/Whatwouldbetheeffectofthiscommand？（）