i need someone very experienced in oracle to write queries for a database i have. i have the .sql program and diagram of tables, you just need to write the queries using select from where and subquery statements. it is very simple, only between 18-20 queries. should take an expert no more than 30 minutes.
24 freelancers are bidding on average $36 for this job
4 years experienced in huge system. I can solve your problem. Moreover, I'll send you a document after finishing the works so that you can understand what I did and do it yourself later.