Hello aspirant,

yes it is helpful in an Interview if and only if you can define and really explain what you really learnt from the course, if you are not able to do that than its just another certificate which will be added in your resume and have no value to it. Its very important to understand that whatever is there in your resume should be original and you should be able to speak something insightful on it for atleast 2 minutes than only your interview will actually go well.

Prepare well before your interview. Be thorough with your skills and whatever certificates you are attaching.