Error
Error Code: ORA-29866

Oracle Error ORA-29866: Domain Index Failure

📦 Oracle Database
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Description

The ORA-29866 error occurs in Oracle Database when you attempt to create a domain index on a column that belongs to an index-organized table (IOT). Domain indexes are specialized indexes, and IOTs have a specific structure that prevents them from being used together.
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Error Message

ORA-29866: cannot create domain index on a column of index-organized table
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Known Causes

1 known causes
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IOT Column Indexing
You tried to create a domain index on a column within an index-organized table. IOTs are structured with the index as the primary data storage.
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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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