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bbrumm on 03/01/17

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Oracle

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Last Edited at 03/01/17 05:45am

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Oracle STDDEV Function

/ Published in: SQL

A few examples of the STDDEV function.

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SELECT STDDEV(fees_required)
FROM student;
 
SELECT STDDEV(DISTINCT fees_required)
FROM student;
 
SELECT
enrolment_date,
TO_CHAR(enrolment_date, 'MON') AS enrolment_mth,
STDDEV(fees_required) OVER (ORDER BY TO_CHAR(enrolment_date, 'MON')) AS stdev_val
FROM student;