Error
Error Code: ORA-28667

ORA-28667: IOT Index Specification

📦 Oracle Database
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Description

This error occurs when attempting to specify storage attributes for the primary key index of an Index-Organized Table (IOT) using the `USING INDEX` clause. The storage attributes for an IOT's primary key index are inherited from the table's attributes.
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Error Message

ORA-28667: USING INDEX option not allowed for the primary key of an IOT
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Known Causes

2 known causes
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Redundant Index Specification
User explicitly defined index storage attributes for an IOT's primary key when they are already inherited from the table definition.
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Misunderstanding IOT Architecture
User incorrectly assumes the primary key index of an IOT requires a separate `USING INDEX` clause for storage management.
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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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