问题:
You issue this statement:ALTER DATABASE BACKUP CONTROLFILE TO TRACE;
What does the statement generate?()
A . A text copy of the control file.
B . A binary copy of the control file.
C . A file containing a SQL statement which will re-create the database.
D . A file containing a SQL statement which will re-create the control file.
You issue this statement:ALTER DATABASE BACKUP CONTROLFILE TO TRACE;
What does the statement generate?()
● 参考解析
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