Error
Error Code: ORA-30346

ORA-30346: Duplicate Hierarchy Name

📦 Oracle Database
📋

Description

This error, ORA-30346, indicates that you attempted to create or alter a dimension in Oracle Database with multiple hierarchies sharing the same name. Hierarchy names within a single dimension must be unique to ensure proper data organization and retrieval.
💬

Error Message

hierarchy name must be unique within a dimension
🔍

Known Causes

3 known causes
⚠️
Typographical Error
A simple typo in the hierarchy name during creation or modification can lead to unintended duplication. ⚠
⚠️
Copy-Paste Error
Copying and pasting existing DDL scripts without careful modification can accidentally replicate hierarchy names. 💻
⚠️
Lack of Naming Convention
Without a clear naming convention, developers may inadvertently choose the same name for different hierarchies. ⚙
🛠️

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