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［A］ vanished ［B］ recovered ［C］ declined ［D］ attained
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Which statement is true about the loss of system-critical data files in ARCHIVELOG mode？（）A、The data files can be recovered till the last committed transaction.B、The data files can be recovered without shutting down the database.C、The data file is taken offline automatically； the database remains open.D、The data files can be recovered to the time of the most recent backup.
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单选题You discover that your Recycle Bin contains two tables with the same name， MY_TABLE. You also have a table named MY_TABLE in your schema. You execute the following statement： FLASHBACK TABLE my_table TO BEFORE DROP RENAME TO my_table2； What will be the result of executing this statement？（）A
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单选题Which statement is true about the loss of system/x7fcritical data files in ARCHIVELOG mode？（）A
The data files can be recovered till the last committed transaction.B
The data files can be recovered without shutting down the database.C
The data file is taken offline automatically; the database remains open.D
The data files can be recovered to the time of the most recent backup.
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单选题You discover that your Recycle Bin contains two tables with the same name, MY_TABLE. You also have a table named MY_TABLE in your schema. You execute the following statement: FLASHBACK TABLE my_table TO BEFORE DROP RENAME TO my_table2; What will be the result of executing this statement?（）A
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One of the tables is recovered from the Recycle Bin using a Last In First Out (LIFO) approach.C
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单选题Which statement is true about the loss of system-critical data files in ARCHIVELOG mode？（）A
The data files can be recovered till the last committed transaction.B
The data files can be recovered without shutting down the database.C
The data file is taken offline automatically； the database remains open.D
The data files can be recovered to the time of the most recent backup.
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