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Snippet Name: PERCENTILE_CONT

Description: Inverse distribution function that assumes a continuous distribution model. It takes a percentile value and a sort specification, and returns an interpolated value that would fall into that percentile value with respect to the sort specification. Nulls are ignored in the calculation.

Also see:
» RANK
» REGR_SLOPE
» VARIANCE
» VAR_SAMP
» VAR_POP
» SUM
» STDDEV_SAMP
» STDDEV_POP
» STDDEV
» ROW_NUMBER
» REGR_SYY
» REGR_SXY
» REGR_SXX
» REGR_R2
» REGR_INTERCEPT
» REGR_COUNT
» REGR_AVGY
» REGR_AVGX
» Number Functions: RATIO_TO_REPORT
» Number Functions: RANK
» PERCENTILE_DISC
» PERCENT_RANK
» OVER PARTITION BY
» NTILE
» MIN
» MAX
» LEAD
» LAST_VALUE
» LAST
» LAG

Comment: (none)

Language: PL/SQL
Highlight Mode: PLSQL
Last Modified: March 02nd, 2009

PERCENTILE_CONT(<value>) WITHIN GROUP (ORDER BY <expression> [ASC | DESC]) OVER (<partition_clause>)
 
conn oe/oe
 
SELECT last_name, salary, department_id,
PERCENTILE_CONT(0.5) WITHIN GROUP (ORDER BY salary DESC)
OVER (PARTITION BY department_id) PCT_CONT, PERCENT_RANK()
OVER (PARTITION BY department_id ORDER BY salary DESC) PCT_RANK
FROM employees
WHERE department_id IN (30, 60);


 
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