Difference between psychiatrist and psychologist (who can prescribe medication?)

Difference between psychiatrist and psychologist (who can prescribe medication?)
Schizophrenia symptoms
ADHD symptoms
Major depression symptoms
Personality disorders:  narcissistic, anti-social, borderline
DSM-V  what is it?
Phobic disorder symptoms
Obsessive-compulsive disorder symptoms
Dissociative identity disorder  symptoms