Error
Error Code: ORA-30307

Oracle Error ORA-30307: Invalid Summary Name

📦 Oracle Database
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Description

The ORA-30307 error in Oracle Database indicates an internal error, specifically that a specified summary name does not exist within the database. This error typically occurs during operations involving materialized views or summary tables.
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Error Message

ORA-30307: Internal error
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Known Causes

3 known causes
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Typographical Error
The summary name was misspelled in the SQL query or procedure call. This is the most common cause of this error.
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Summary Table Deleted
The summary table or materialized view has been dropped or renamed but the application code still references the old name.
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Incorrect Schema
The summary table exists, but the user is trying to access it from the wrong schema or without proper privileges.
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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