企业的应收账款评估值的一般计算公式为（）。 应收账款账面值-已确定坏账损失-预计坏账损失。 应收账款账面值。 应收账款账面值-已确定坏账损失。 应收账款账面值-预计坏账损失。
Which statement is true regarding online redefinition for the migration of BasicFile LOBs to SecureFile LOBs?（） It cannot be done in parallel.。 It can be done at the table level or partition level.。 It does not require additional storage because the operation is done online.。 Local and global indexes are maintained automatically during the operation.。
Which of the following procedures should occur before removing a failing disk from a volume group?（） Veryoff the volume group。 Unmount any filesystems on the disk。 Remove all physical partitions on the disk。 Unmount mirrored filesystems from the disk。
Which three tasks can be performed using a duplicate database？（） Testing the backup and recovery procedures。 Testing the upgrade of an Oracle database to a new release。 Testing the effect of an application changes on database performance。 Continuously updating archive log files from the target database to support failover。
工业化对城市化的推动作用表现在哪些方面？
Which command is used by the system boot process to determine what resources are available to the system？（）
