西方管理学论著中提到领导者的两大功能，即（） 组织功能。 激励功能。 奖励功能。 协调功能。
In which scenario will you perform a cancel-based recovery？（） when a tablespace is dropped and you have only RMAN-based backup of the database。 when a table is dropped and stored in the Recycle Bin。 when you are required to recover an existing table to its previous state。 when a tablespace is dropped and you have only a user-managed full backup of the database。
高压锅炉气包一般多用（）。 20g优质碳素钢。 普通低合金钢。 高级合金钢。
工程建设实施过程中的工程质量由（）负总责。工程建设实施过程中的工程质量由（）负总责。 A.监理单位 。 B.设计单位 。 C.施工单位 。 D.项目法人。
Examine the following command: SQL> ALTER TABLE booking SHRINK SPACE COMPACT; Which activity is performed when the preceding command is executed?（） The shrink operation touches every block in the BOOKING table。 The high-water mark (HWM) for the BOOKING table is shifted from its original position。 The progress of the shrink operation is saved in the bitmap blocks of the BOOKING table。 The data manipulation language (DML) triggers on the BOOKING table are executed because the shrink operation is internally handled by the INSERT/DELETE operatio。
You want to disable resumable space allocation for all sessions.Which value should be assigned to the RESUMABLE_TIMEOUT parameter to disable resumable space allocation for all sessions？（）
