All Info provider at one page (DataBase)

I need to store a good amount of interrelated info in some free database server and fetch it in such a way that whatever word is entered in a field of a page/ selected from drop down, it should give me all related data in a format in the same page. the page should open in any device browser through a link (of any type). The data base can be changed, updated and deleted though another link or directly from the database (matter of decision) but should have an authorization level. It need a front age interacting page to take request and backend to connect and hit database to get data and show in the same page in a proper format.