val db = Firebase.firestore val user = hashMapOf("name" to "Alex", "age" to 28) db.collection("users").add(user)
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| Feature | Firestore | Realtime DB | |---------|-----------|--------------| | Querying | Rich queries | Limited | | Scaling | Automatic | 100K concurrent | | Pricing | Reads/writes/deletes | Bandwidth/storage | val db = Firebase
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