ORA-07445: Exception Encountered – Core Dump [Complete Oracle DBA Troubleshooting Guide] The ORA-07445: Exception Encountered: Core Dump error is one of the most critical internal Oracle Database errors encountered by Database Administrators (DBAs). Unlike SQL syntax errors or configuration issues, ORA-07445 indicates that an Oracle server process has terminated unexpectedly after encountering an operating system exception, such as an invalid memory access, segmentation fault, illegal instruction, or arithmetic exception. When ORA-07445 occurs, Oracle immediately terminates the affected process to protect database integrity and automatically generates extensive diagnostic information, including trace files, incident reports, call stacks, and core dump information. These diagnostics are stored in the Automatic Diagnostic Repository (ADR) and are essential for determining the root cause. Although ORA-07445 is often associated with Oracle software bugs, it can also result f...