ADatabaseReference represents a specific location in your Database and can be used for reading or writing data to that Database location.

You can reference the root or child location in your Database by callingref() orref("child/path").

Writing is done with theset() method and reading can be done with theon*() method. Seehttps://firebase.google.com/docs/database/web/read-and-write

Signature:

exportdeclareinterfaceDatabaseReferenceextendsQuery

Extends:Query

Properties

DatabaseReference.key

The last part of theDatabaseReference's path.

For example,"ada" is the key forhttps://<DATABASE_NAME>.firebaseio.com/users/ada.

The key of a rootDatabaseReference isnull.

Signature:

readonlykey:string|null;

DatabaseReference.parent

The parent location of aDatabaseReference.

The parent of a rootDatabaseReference isnull.

Signature:

readonlyparent:DatabaseReference|null;

DatabaseReference.root

The rootDatabaseReference of the Database.

Signature:

readonlyroot:DatabaseReference;