This feature was introduced in Neo4j 5.12.
Returns the name of a database to which the element id belongs. The name of the database can only be returned if the provided element id belongs to a standard database in the DBMS.
WITH "2:efc7577d-022a-107c-a736-dbcdfc189c03:0" AS eid
RETURN db.nameFromElementId(eid) AS name
Returns the name of the database which the element id belongs to.