drop table ROOM_BUNTIDEVICE if exists;
drop table devices if exists;
drop table rooms if exists;

create table ROOM_BUNTIDEVICE (ROOM_ID integer not null, BUNTIDEVICE_ID int not null,
            primary key (ROOM_ID, BUNTIDEVICE_ID), unique (BUNTIDEVICE_ID));

create table devices (DTYPE varchar(31) not null,
                      BUNTIDEVICE_ID integer generated by default as identity (start with 1),
                      deviceName varchar(255),
                      picture varchar(255),
                      startAddress integer,
                      primary key (BUNTIDEVICE_ID));

create table rooms (ROOM_ID integer generated by default as identity (start with 1),
                    floor varchar(255),
                    roomName varchar(255),
                    xCord integer not null,
                    yCord integer not null,
                    primary key (ROOM_ID));

alter table ROOM_BUNTIDEVICE add constraint FK96EF8F028BB4B62 foreign key (ROOM_ID) references rooms;
alter table ROOM_BUNTIDEVICE add constraint FK96EF8F021E9F392 foreign key (BUNTIDEVICE_ID) references devices;