have some questions that need to be answered on things such R/MySQL, Olap and big data. mainly all theory some use of coding .
6 freelancers are bidding on average $24 for this job
I can try to answer questions with my experience. Hope it won't take much time. Relevant Skills and Experience 4.5 years experience in SQL development. Proposed Milestones $15 USD - I'm new at freelancing.