which is the best idea to store record: either in binary file or sql database

Question

what is the best idea to store record in binary or in sql database .if i put all the records in a sql it becomes very bulky becoase every day i have to deal with 10000 table .and taking a sql hosting for in this much bulky data storing in sql is not affordable so i am about to move on binary file is it a good for me to creating binary file as a database and how