评析国民政府迁都重庆的原因及其意义。
散打比赛中计时员的职责（） 赛前检查铜锣、计时钟、核准秒表。 负责比赛、暂停、局间休息的计时。 每局赛前5秒钟鸣哨通告。 每局比赛结束鸣锣通告。 宣读边裁判员的评判结果。
In addition to AIX， which of the following operating systems is supported in a pSeries LPAR environment？（） z/OS。 Linux。 Sun Solaris 9。 Microsoft Windows 2003。
Companycom wants to use Virtual SCSI disks to boot multiple operating systems from the same disk. How will the volumes appear in the Virtual IO Server and how will the logical volumes appear in the partition?（） The Virtual SCSI disks are defined as logical volumes in the Virtual IO Server. The logical volumes appear as real devices (hdisks) in the client partitions. 。 The Virtual IO adapters are connected to a virtual host bridge. On the Virtual IO Server they are vdisks, on the client partition, the exported disks are visible as virtual disks. 。 The Virtual SCSI disks are represented in the ODM as a bus device whose parent is sysplanar0. Logical volumes will be assigned to the Virtual IO Server and virtual disks, vdisks, in the client partition. 。 The Virtual IO adapters are represented as adapter devices with the virtual host bridge as their parent. On the Virtual IO Server they are vdisks attached to vscsi, on the client partition the exported disks are visible as virtual disks.。
液压站在作业过程中，一般应每隔（）小时，检查一下发动机曲轴箱的机油油位。 3～4。 5～6。 2～3。 7～8。
You executed the following query in your database：
FROM V$FLASHBACK_DATABASE_LOG;
What would you determine from the output？（）
