| Oracle® Database Reference 11g Release 1 (11.1) Part Number B28320-01  | 
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V$IO_CALIBRATION_STATUS displays the status of I/O calibration in the instance.
| Column | Datatype | Description | 
|---|---|---|
STATUS | 
VARCHAR2(13) | 
Calibration status:
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CALIBRATION_TIME | 
TIMESTAMP(3) | 
End time of the last calibration run |