This Oracle tutorial explains how to use the Oracle/PLSQL CORR function.
The Oracle/PLSQL CORR function returns the coefficient of correlation of a set of number pairs.
The syntax for the Oracle/PLSQL CORR function is:
CORR( n ,m ) [ over (analytic_clause) ]
n and m are the numbers to use to calculate the cofficient of correlation.
The CORR function requires at least two rows.
select CORR(quantity, commission) from sales;