To see a nightclub in a dream refers to experience and satisfaction of curiosity.
To dream that you are going to a nightclub may represent that you will have information about a subject which you have been wondering for a long time.
Alternatively, this dream also means that you will satisfy your desire, have a pleasant experience.
To see yourself as a nightclub owner in your dream may represent that you will set up a business regarding education or you will start to manage on money which you earn from this by sharing your knowledge with many people.
To have some fun in a nightclub in your dream may represent that you will create some free time for yourself, have good times with people whom you like.
To see that you are working in a nightclub in your dream may suggest that you will work for a job which you enjoy. To see of singing in a nightclub in your dream may indicate that you will have a big reputation and success thanks to your job.
To see that a nightclub is closed in your dream indicates that you won't reach the information which you want in spite of many trials. You won't find any answer to the questions in your mind.