This article is from the Canada immigration FAQ, by N. Cenk Gokce, Ankara, TR (dv535@freenet.carleton.ca) with numerous contributions by others.
Yes, and furthermore, you might find that you could not practice your
intended occupation right from the outset of your entrance to Canada, since
some professions require licensing, and you would need to re-qualify in the
province of your residence to practice your profession. Otherwise, there
is no compulsion with regard to your occupation.
 
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