The duration causing the problem is that I did attempyed to insert about 1G bytes of data into a table.
What I should to next for this problem?
Or can anyone tell me the reason that causing this problem?
I am so pleased to reply my question.
The problem is included in the situation causing the ora-00600 error code in the document.
The system cache was overflow. The problem was solved by restoring the vmunix backupped before.