How To Fix STUN_ORA010 - Unable to execute EXPLAIN for SQL statement

SAP Error Message - Details

• Message type: E = Error

• Message class: STUN_ORA - Messages for Function Group STUN_ORA (Oracle Statistics)

• Message number: 010

• Message text: Unable to execute EXPLAIN for SQL statement

What causes this issue?

The system was unable to generate an Explain Plan for the SQL statement
you selected.

System Response

After the error message is displayed, the system continues processing.

How to fix this error?

Look at the relevant system log entry for details about why the Explain
Plan was not generated.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message STUN_ORA010 - Unable to execute EXPLAIN for SQL statement ?

  The SAP error message "STUN_ORA010 Unable to execute EXPLAIN for SQL statement" typically occurs when there is an issue with executing the EXPLAIN command for a SQL statement in an Oracle database. This error can arise due to various reasons, including permission issues, syntax errors in the SQL statement, or problems with the database connection.
  Causes:
  
  Permission Issues: The user executing the SQL statement may not have the necessary privileges to run the EXPLAIN command.
  Invalid SQL Statement: The SQL statement being analyzed may contain syntax errors or may not be valid.
  Database Connection Issues: There may be issues with the connection to the Oracle database, such as network problems or incorrect connection parameters.
  Database Configuration: The Oracle database may not be configured correctly to allow EXPLAIN commands.
  Resource Limitations: The database may be experiencing resource limitations, such as memory or CPU constraints.
  
  Solutions:
  
  
  Check User Privileges: Ensure that the user has the necessary privileges to execute the EXPLAIN command. The user should have the SELECT privilege on the relevant tables and the EXPLAIN PLAN privilege.
  GRANT SELECT ON <table_name> TO <user>;
  GRANT EXPLAIN PLAN TO <user>;
  
  
  Validate SQL Statement: Review the SQL statement for any syntax errors or issues. You can test the SQL statement directly in an SQL client to ensure it runs without errors.
  
  
  Check Database Connection: Verify that the connection to the Oracle database is active and correctly configured. Check the connection parameters (hostname, port, service name, etc.) and ensure that the database is reachable.
  
  
  Review Database Configuration: Ensure that the Oracle database is configured to allow EXPLAIN commands. Check the database settings and parameters related to query execution.
  
  
  Monitor Resource Usage: Check the database for any resource limitations. Use Oracle's monitoring tools to identify if there are any performance issues or resource constraints.
  
  
  Consult Logs: Review the SAP and Oracle database logs for any additional error messages or warnings that may provide more context about the issue.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Oracle Documentation: Refer to Oracle's documentation for the EXPLAIN PLAN command and related SQL execution features to understand the requirements and limitations.
  Database Administrator: If the issue persists, consider involving a database administrator (DBA) who can provide deeper insights into database configurations and permissions.
  
  By following these steps, you should be able to diagnose and resolve the "STUN_ORA010 Unable to execute EXPLAIN for SQL statement" error in your SAP environment.