Returns the arc-tangent, in radians, of the ratio of two numbers.
ATAN2 ( numeric-expression1, numeric-expression2 )
numeric-expression1 The numerator in the ratio whose arc tangent is calculated.
numeric-expression2 The denominator in the ratio whose arc-tangent is calculated.
The following statement returns the value 0.00866644968879073143:
SELECT ATAN2( 0.52, 060 ) FROM iq_dummy