Error
Error Code: ORA-28335

ORA-28335: Encrypted FK Constraint Issue

📦 Oracle Database
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Description

This error, ORA-28335, occurs in Oracle Database when attempting to create or modify a foreign key relationship involving encrypted columns. The database restricts referential constraints on encrypted columns to ensure data integrity and security compliance.
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Error Message

referenced or referencing FK constraint column cannot be encrypted
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Known Causes

3 known causes
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Encrypted FK Column
A column intended for use as a foreign key is encrypted using Transparent Data Encryption (TDE).
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Referencing Encrypted Column
The column being referenced by a foreign key constraint is encrypted, violating the restriction.
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Altering Existing Constraint
An attempt is made to alter an existing foreign key constraint to include an encrypted column.
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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

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