A.A
B.B
C.C
D.D
第1题:
A. Partitions of PURCHASE_ORDER_ITEMS have system-generated names.
B. Both PURCHASE_ORDERS and PURCHASE_ORDER_ITEMS tables are created with four partitions each.
C. Partitions of the PURCHASE_ORDER_ITEMS table exist in the same tablespaces as the partitions of the PURCHASE_ORDERS table.
D. The PURCHASE_ORDER_ITEMS table inherits the partitioning key from the parent table by automatically duplicating the key columns.
E. Partition maintenance operations performed on the PURCHASE_ORDER_ITEMS table are automatically reflected in the PURCHASE_ORDERS table.
第2题:
A.Wait-to-Restore,ForcedSwitch,ManualSwitch,LockoutofProtection
B.ManualSwitch,Wait-to-Restore,LockoutofProtection,ForcedSwitch
C.LockoutofProtection,ForcedSwitch,ManualSwitch,Wait-to-Restore
D.LockoutofProtection,ManualSwitch,ForcedSwitch,Wait-to-Restore
E.Wait-to-Restore,ManualSwitch,ForcedSwitch,LockoutofProtection
F.Wait-to-Restore,ManualSwitch,LockoutofProtection,ForcedSwitch
第3题:
第4题:
A.Anetworkproblem
B.corruptedfilesystem
C.corruptedODM
D.corrupted/etc/inittabfile
第5题:
第6题: