How to optimize Firebase Realtime Database calls to improve performance?

Hi ,maybe you can help me with one problem with Firebase if if you will have free time ,how can I contact you???

how about use react query to improve performance...and which one better to searching datatable with more request in a month ? realtime db or firestore db thanks...

Can you tell me how to optimise the image loading time from firebase database to glide or picasso

Nice 👍