题目内容：
A.UsingSQLcommands.B.UsingSQL*Pluscommands.
C.Usingoperatingsystemcommands.
D.UsingRecoverManagercommands.
参考答案：
选择题：Inuser－managedbackupandrecoverprocedures,howaredatafilesbackedup?()
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对于“对象静止,运动拍摄”(摄像机移动或变焦)进行动态构图时所要考虑的问题有()
对于“对象静止,运动拍摄”(摄像机移动或变焦)进行动态构图时所要考虑的问题有()
ToincreasetheavailabilityofanAdvancedReplicationenvironment,youcanaddanewmastertoareplicationgroupwithoutquiescingthegroup.Thisisachieved().
ToincreasetheavailabilityofanAdvancedReplicationenvironment,youcanaddanewmastertoareplicationgroupwithoutquiescingthegroup.Thisisachieved().
侧面角度拍摄的画面主要作用在于().
侧面角度拍摄的画面主要作用在于().
WhichfouraretrueregardingtheWorkspaceManagerinOracle9i?()
WhichfouraretrueregardingtheWorkspaceManagerinOracle9i?()
Examinethefollowingparametersettingsfromaninitialization(init.ora)file:DB_CREATE_FILE_DEST
Examinethefollowingparametersettingsfromaninitialization(init.ora)file:DB_CREATE_FILE_DEST