I want to upload the file to the database using jsp mysql ?

Question

If i choose file and select the category(there are 4 category i thee drop down box), the file should save in the selected particular category in the server and save that file name and file path to the mysql database. And i have to fetch that stored file from database to the front-end.   

 

 my questions are how to create folder in server for each drop down category.?

How to save the file ame and file path to the database ?