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单选题
Your database operates in ARCHIVELOG mode. User/x7fmanaged consistent backups are performed every Sunday night.  On Tuesday， client A drops a table at 8：00 a.m. as follows：  SQL> DROP TABLE cust_ord PURGE;  Table dropped.  Client B executes a query at 9：00 a.m. on the same table as follows：  SQL> SELECT * FROM cust_ord; SELECT * FROM cust_ord *  ERROR at line 1：  ORA/x7f00942： table or view does not exist  Client B needs the dropped table and reports the problem to you. With reference to this scenario， which action should you take？（）
A

retrieve the table by using the flashback feature

B

restore all the data files from last Sunday’s backup， and then perform a time­based recovery

C

restore all the data files from last Sunday’s backup， and then perform a log sequence recovery

D

restore all the data files from last Sunday’s backup， and then perform a cancel­based recovery

E

restore from last Sunday’s backup only data files that belong to the tablespace in which the table was stored， and then perform a complete recovery

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考题 单选题Your boss at Certkiller .com wants you to clarify Oracle 10g. Which condition in your database forces you to perform only consistent backups？（）A The database is in mount state.B One of the tablespaces is offline.C One of the tablespaces is read only.D The database operates in ARCHIEVELOG mode.E The database operates in NOARCHIEVELOG mode.
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