多项选择题
A. The database must have multiplexed redo log files
B. The database must be in the MOUNT state to execute the command
C. The database must be in the NOMOUNT state to execute the command
D. The database must be opened in RESTRICTED mode before this operation
E. The database must be opened with the RESETLOGS option after the flashback operation
多项选择题 Which two client requests are captured during database replay Capture?（）
多项选择题 The RECYCLEBIN parameter is set to ON for your database. You drop a table, PRODUCTS, from the SCOTT schema.Which two statements are true regarding the outcome of this action?（）
单项选择题 Examine the following command: SQL> ALTER TABLE booking SHRINK SPACE COMPACT; Which activity is performed when the preceding command is executed?（）