Beginning Oracle Database 11g Administration From Novice to Professional

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CHAPTER 13 RECOVERY
Figure 13-2. SQL Developer error dialog
The Oracle- recommended action was “Try to restore the segment containing the
block indicated. This may involve dropping the segment and re- creating it. If there is a
trace file, report the error in it to your Oracle representative.” But DRA makes short work
of the problem.
First, let’s check whether any other blocks are also corrupted. That seems like the
smart thing to do—if one block has somehow been corrupted, then other blocks might
also have been corrupted, and we could fix all of them at the same time. We use the
command to check the entire database. (Note that checking the entire
database may take a lot of time, and Recovery Manager does provide the ability to check
individual data files.) Fortunately, we find that the only block that is corrupted is block 88
in the file :