Error
Error Code: ORA-28088

ORA-28088: Unsupported PL/SQL Function

📦 Oracle Database
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Description

The ORA-28088 error occurs in Oracle Database when a policy expression uses a PL/SQL function that is not supported. This typically happens when creating or modifying database policies that enforce security or data access rules.
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Error Message

ORA-28088: The policy expression has an unsupported PL/SQL function string . string . string .
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Known Causes

3 known causes
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Unsupported Function Used
The policy expression contains a PL/SQL function call that is not whitelisted for use in database policies.
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Custom Function Issue
A custom PL/SQL function used in the policy expression is not compatible with the policy evaluation environment.
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Incorrect Syntax
The PL/SQL function call in the policy expression has incorrect syntax or arguments.
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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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