If the database hangs during shutdown, execute a forced termination: SQL> shutdown abort; Use code with caution. Step 2: Clean Up Orphaned Background Processes
If none of the above steps resolve the issue, consider restoring the bigfile from a backup. This should be a last resort, as it may result in data loss. unable to open bigfile bigfile000 exclusive
Troubleshooting the Oracle Error: "Unable to open bigfile bigfile000 exclusive" If the database hangs during shutdown, execute a