多项选择题
A. Flashback Table can be performed on system tables.
B. Flashback Table operation does not shrink the segments.
C. Flashback Table uses log mining to extract SQL_REDO and SQL_UNDO statements.
D. Flashback Table operation acquires exclusive data manipulation language （DML） locks.
多项选择题 Which two client requests are captured during database replay Capture?（） (Choose two)
单项选择题 You issued the following command on the temporary tablespace LMTEMP in your database： SQL>ALTER TABLESPACE lmtemp SHRINK SPACE KEEP 20M； Which requirement must be fulfilled for this command to succeed？（）
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? （）(Choose two)