code: public static String getDBQualifiedName(String clusterName, String dbName) {
          return String.format("%s@%s", dbName.toLowerCase(), clusterName);
      }
docs: Construct the qualified name used to uniquely identify a Database instance in Atlas.
  @param clusterName Name of the cluster to which the Hive component belongs
  @param dbName Name of the Hive database
  @return Unique qualified name to identify the Database instance in Atlas.