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**Overview:** We are encountering an ORA-03113 error when attempting to start up our Oracle 10g database server. This error occurs during the initialization and must be resolved to restore functionality. **Details:** - The server runs Oracle Database 10g version 10.2.0.3.0. - The error displayed is "ORA-03113: End-of-file on communication channel," along with other related messages. **Requirements:** - Analyze logs, database parameters, and system configurations to identify the root cause of the ORA-03113 error. - Rectify database-related issues to ensure proper startup and full functionality. - Provide a detailed action plan and documentation for the changes made. **Ideal Candidate:** - Experience as an Oracle DBA, specifically with Oracle 10g. - Proficient in troubleshootin...