Error
Error Code: ORA-30340

Oracle ORA-30340: Illegal Dimension Name

📦 Oracle Database
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Description

The ORA-30340 error occurs in Oracle Database when you attempt to create or modify a dimension object using a dimension name that violates Oracle's naming conventions. This typically happens during dimension DDL (Data Definition Language) operations.
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Error Message

ORA-30340: illegal dimension name
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Known Causes

4 known causes
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Invalid Character
The dimension name contains characters other than letters, digits, or underscores. Oracle requires dimension names to adhere to a specific character set.
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Name Too Long
The dimension name exceeds the maximum length allowed by Oracle (30 characters). Exceeding this limit will trigger the ORA-30340 error.
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Invalid Starting Character
The dimension name does not begin with a letter. Oracle requires dimension names to start with a letter.
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Invalid Owner Name
If the dimension name is qualified with an owner name, the owner name itself does not conform to the requirements for an owner name on your system.
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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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