Rather than learning all the scales by rote which will mean nothing, study the circle of fifths and try to under stand what is going on there. See how you move clockwise and add a sharp at a time or...
The A flat melodic minor scale consists of the following notes:A♭, B♭, C♭, D♭, E♭, F♭, G♭, A♭The A flat harmonic minor scale consists of the following notes:A♭, B♭, C♭, D♭,...