文档解释 ORA-19157: FODC0002: error retrieving resource Cause: An error occurred during the processing of the XQuery expression. Action: Check the d……

文档解释 ORA-19285: FODC0002 – error retrieving resource Cause: The URI provided could not be resolved to a valid resource. Action: Provide a valid ……

文档解释 ORA-30647: error retrieving access parameters for external table string.string Cause: an error occurred when fetching the access parameters……