If you lost your entire database，including the database spfile，control files，online redo logs，and database datafiles，what kind of recovery would be required with RMAN？（） Complete database recovery.。 Incomplete database recovery.。 Approximate database recovery.。 Archived database recovery.。 The database could not be recovered with RMAN.。
目前的绩效评估工作有什么特点
Which statements listed below describe the data dictionary views（） 1） These are stored in the SYSTEM tablespace. 2） These are the based on the virtual tables. 3） These are owned by the SYS user. 4） These can be queried by a normal user only if O7_DICTIONARY_ACCESSIBILTY parameter is set to TRUE. 5） The V$FIXED_TABLE view can be queried to list the names of these views. 1 and 3。 2， 3， and 5。 1， 2， and 3。 2， 3， 4， and 5。
An architect is configuring a PowerHA cluster in the following way：The cluster will consist of two nodes. Each node will have two boot interfaces configured as a single PowerHA network. The cluster is to have asingle resource group with a single service address.Heartbeating over aliased is not to be used. What is the minimum number of subnets required to implement this cluster？（） 1。 2。 3。 4。
人的个性品质的形成主要是通过（） 社会交往。 学校教育。 家庭教育。 自我修养。
虚拟企业的运作模式有（）。
