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On Friday at 11:30 am you decided to flash back the database because of a user error that occurred at 8:30 am. Which option must you use to check whether a flashback operation can recover the database to the specified time? （）
- A、Check the alert log file
- B、Query the V$FLASHBACK_DATABASE_LOG view
- C、Query the V$RECOVERY_FILE_DEST_SIZE view
- D、Query the V$FLASHBACK_DATABASE_STAT view
- E、Check the value assigned for the UNDO_RETENTION parameter
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更多 “On Friday at 11:30 am you decided to flash back the database because of a user error that occurred at 8:30 am. Which option must you use to check whether a flashback operation can recover the database to the specified time? （）A、Check the alert log fileB、Query the V$FLASHBACK_DATABASE_LOG viewC、Query the V$RECOVERY_FILE_DEST_SIZE viewD、Query the V$FLASHBACK_DATABASE_STAT viewE、Check the value assigned for the UNDO_RETENTION parameter” 相关考题
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Mr.Eng Tan
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New York
Dear Mr. Chen,
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Mr.Eng Tan
10010 George Ave.
New York
Dear Mr. Chen,
As the president, I am proud to announce that this Friday marks the 50th anniversary of long and successful company. This, of course, calls for a night of celebration. And for this reason, we have reserved the Grand Hall at the Garden Hotel this Friday at 6 p.m. for a night of fine dining and dancing.
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Therefore, this is a letter to officially invite you and your spouse or significant other to join us on this memorable evening.
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Yours Sincerely,
Jeff Connelly
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A.He was impressed with its menu
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C.He has special ties with the hotel staff
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#include
main()
{
chara[30],b[30];
scanf(%s,a);
gets(b);
printf(%s%s,a,b);
}
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单选题On Friday at 11:30 am you decided to flash back the database because of a user error that occurred at 8:30am. Which option must you use to check whether a flashback operation can recover the database to the specified time?（）A
Check the alert log fileB
Query the V$FLASHBACK_DATABASE_LOG viewC
Query the V$RECOVERY_FILE_DEST_SIZE viewD
Query the V$FLASHBACK_DATABASE_STAT viewE
Check the value assigned for the UNDO_RETENTION parameter
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