請問C小調同E大調問題

E大調 is the major scale which starts from E ( E Major )
the scale is E F# G# A B C# D# E
which sings as do re me fa so la ti do.
C小調 is the minor scale which starts from C ( C Minor)
the scale is (harmonic) C D Eb F G Ab Bnatural C
(melodic) C D Eb F G Anatural B natural C
which sings as la ti do re me fa (fe) si la.

The relative minor of E Major is C# Minor
THe relative major of C Minor is Eb Major.

I am just 補充
C小調 - 音階有些sad feeling
E大調 - 音階比較明朗
C小調主音C
E大調主音E