 
 CREATE TABLE switch (
     id integer NOT NULL,
-    label character varying NOT NULL,
+    label character varying NOT NULL UNIQUE,
     type character varying NOT NULL
 );
 


CREATE TABLE network (
    id integer NOT NULL,
    label character varying NOT NULL,
    creator_id integer,
    access_id integer,
    allocated boolean,


CREATE TABLE "user" (
    id integer NOT NULL,
    label character varying NOT NULL UNIQUE,
    is_admin boolean NOT NULL,
    hashed_password character varying
);
