Oradebug: The Ultimate Utility for Traces and Dumps
Oradebug is one of the most widely used utilities to set the debug events and produce dumps. Unfortunately, very little documentation is readily available on how to use it correctly. However, it does have a friendly help facility that you can use. Oradebug requires that you connect as a SYS user to use its commands. It has an extensive list of commands that you can use to simply trace a process, or it can be used to see the contents of the memory structures Oracle uses. Some of these commands can also change the contents. For this reason, extreme care must be taken when using oradebug commands.
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Incorrect use of oradebug commands can result in data corruption, rendering your database unsupported ...
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