Examine the query and its output executed In an RDBMS Instance:Which three statements are true about the users (other than sys) in the output?（） The C # # B_ADMIN user can perform all backup and recovery operations using RMAN only.。 The C # # C_ADMIN user can perform the data guard operation with Data Guard Broker.。 The C # # A_ADMIN user can perform wallet operations.。 The C # # D_ADMIN user can perform backup and recovery operations for Automatic Storage Management (ASM).。 The C # # B_ADMIN user can perform all backup and recovery operations using RMAN or SQL* Plus.。
油井下了生产管柱要及时进行（） 放喷。 洗井。 替喷。
通过Animate对象的（）属性设置，可以指定系统标准的AVI动画演示。
已知A点的高程为Ha，与测定B点对A的高差hab，则B点的高程Hb为（）。
为了防止非同期并列，在同期盘上出现哪些情况不准并列？
Given：
If an instance of class Beagle is created，then Serialized，then deSerialized， what is the result？（）
