I see that there is no way to set security rules as preventing "delete and update" for a child.
".write": "!data.exists() && newData.exists() && !newData.exists()"
thats not make sense.
See Question&Answers more detail:osI see that there is no way to set security rules as preventing "delete and update" for a child.
".write": "!data.exists() && newData.exists() && !newData.exists()"
thats not make sense.
See Question&Answers more detail:os