Warning
Error Code: ORA-30352

Oracle ORA-30352: Data Type Mismatch

📦 Oracle Database
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Description

The ORA-30352 error indicates an inconsistency in numeric precision or string length between a SELECT expression and its corresponding container column within a materialized view. This mismatch prevents query rewrite from guaranteeing identical results to the original query.
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Error Message

ORA-30352: inconsistent numeric precision or string length
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Known Causes

3 known causes
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Precision Mismatch
The numeric precision of the SELECT expression differs from the container column's defined precision.
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String Length Discrepancy
The string length of the SELECT expression exceeds or differs significantly from the container column's defined length.
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Implicit Data Conversion
Implicit data type conversions during query rewrite lead to precision or length changes causing the error.
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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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