// // ViewController.swift // RealTimeDatabaseWithFirebase // // Created by Md Murad Hossain on 14/2/23. // import UIKit import FirebaseDatabase class ViewController: UIViewController { let ref = Database.database().reference() override func viewDidLoad() { super.viewDidLoad() // RealTimeDatabaseUpdate() // RealTimeDatabaseInsertData() // RealTimeDatabaseShowData() RealTimeDatabaseDelete() } private func RealTimeDatabaseUpdate() { ref.child("101/Phone").setValue("01792889015") } private func RealTimeDatabaseInsertData() { ref.childByAutoId().setValue(["Name":"MD Abul Kashem","Age":" 30","Phone":"01299939442"]) } private func RealTimeDatabaseShowData() { ref.child("101").observeSingleEvent(of: .value) { snapShot in let value = snapShot.value as? NSDictionary let name = value?["Name"] as? String print("Name : \(name!)") } } private func RealTimeDatabaseDelete() { ref.child("/-NOE9XyeK_0jWOFqN-d2").removeValue() } }