How to display shopify backend/SQL database in a custom app without refreshing page ?

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I've created a custom app using PHP that is hosted on reseller club. I've connected the app to a sql database. I extracted data from shopify and store it in SQL database. When i access my app through the admin panel of a shopify store, i can submit order in shopify backend as well as in SQL database but here issue, i h've face is without refresh a page i can't see any new entry in shopify ass well as in SQL database. Also i want to display back-end data on front-end Which technology or which logic we use for it ?