Error
Error Code: ORA-29662

Oracle ORA-29662: External Name Mismatch

📦 Oracle Database
📋

Description

The ORA-29662 error in Oracle Database indicates a mismatch between the EXTERNAL NAME option specified for an attribute and the corresponding field in the defined class. This error typically occurs when defining or modifying external tables or object types.
💬

Error Message

ORA-29662: Unable to find a field that matches one or more of the attributes
🔍

Known Causes

4 known causes
⚠️
Incorrect External Name
The EXTERNAL NAME specified for an attribute does not match the name of any field in the external class.
⚠️
Case Sensitivity
The EXTERNAL NAME is case-sensitive and does not match the case of the corresponding field in the external class.
⚠️
Typographical Error
A typographical error exists in the EXTERNAL NAME specification, leading to a mismatch.
⚠️
Missing Field
The field referenced by the EXTERNAL NAME does not exist in the defined class.
🛠️

Solutions

Coming Soon

Detailed step-by-step solutions for this error are being prepared. In the meantime, try these general troubleshooting tips:

General Troubleshooting Tips

  • Check the error message carefully for specific details
  • Review recent changes that might have caused the error
  • Search for the exact error code in the official documentation
  • Check log files for additional context
  • Try restarting the application or service

Find Help

Stack Overflow Google Search Official Docs