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單項(xiàng)選擇題

At the end of the financial year， an accounts accumulation batch is run. This batch updates the company’s accounting records. During the batch run process， some incorrect entries were inserted into the ACCOUNT table. You identified the bug and immediately stopped the batch run process， but 3000 incorrect records were inserted into the ACCOUNT table before the batch process was stopped. You want to recover the table to the state it was at 11：50 P.M. Which flashback feature will you use？（）

A. Flashback Drop
B. Flashback Database
C. Flashback Table
D. Flashback Version Query

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多項(xiàng)選擇題

You issued the following command：
SQL> DROP TABLE MYTABLE；
SQL> SHOW RECYCLEBIN The following output is returned：
ORIGINAL NAME RECYCLEBIN NAME OBJECT TYPE DROP TIME
------------- ------------------------------ --------------- --------------------
MYTABLE BIN$04LhcpndanfgMAAAAAANPw==$0 TABLE
2005-01-13：20：11：31 You want to drop the table， MYTABLE， from the Recycle Bin. Which two commands can you issue to accomplish the desired task？（）

A. DROP TABLE MYTABLE PURGE；
B. PURGE RECYCLEBIN；
C. PURGE TABLE MYTABLE；
D. PURGE TABLE BIN$04LhcpndanfgMAAAAAANPw==$0；

多項(xiàng)選擇題

You are performing flashback of the EMPLOYEE table in SCOTT’s schema because some incorrect data was inserted into the table and committed by mistake. Which two clauses will you use in the FLASHBACK TABLE statement for using the Flashback Table feature？（）

A. RESETLOGS
B. TO TIMESTAMP
C. TO BEFORE DROP
D. RENAME TO
E. TO SCN