Error
Error Code: ORA-28160

Oracle ORA-28160: Missing EXCEPT Keyword

📦 Oracle Database
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Description

The ORA-28160 error in Oracle Database indicates a syntax error where the `EXCEPT` keyword is missing from a SQL query that requires it, commonly in set operations. This error halts query execution, preventing data retrieval or modification.
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Error Message

ORA-28160: missing EXCEPT keyword
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Known Causes

3 known causes
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Incorrect Set Operator Syntax
The `EXCEPT` keyword is missing within a set operation (e.g., `UNION`, `INTERSECT`, `MINUS`) where it's required to return rows from the first query that are not present in the second.
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Typographical Error
A typo or misspelling occurred when typing the `EXCEPT` keyword.
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Incomplete Query
The query was not fully constructed, and the `EXCEPT` clause was unintentionally omitted.
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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