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getDatabase() function

Returns the instance of the Realtime Database SDK that is associated with the provided FirebaseApp. Initializes a new instance with with default settings if no instance exists or if the existing instance uses a custom database URL.

Signature:

export declare function getDatabase(app?: FirebaseApp, url?: string): FirebaseDatabase;

Parameters

Parameter	Type	Description
app	FirebaseApp	The FirebaseApp instance that the returned Realtime Database instance is associated with.
url	string	The URL of the Realtime Database instance to connect to. If not provided, the SDK connects to the default instance of the Firebase App.

Returns:

FirebaseDatabase

The FirebaseDatabase instance of the provided app.