truncate table screen
insert into screen (screen_id,project_id,screen_name) values (0,0,"Signaalbord01")
insert into screen (screen_id,project_id,screen_name) values (1,0,"Signaalbord02")
insert into screen (screen_id,project_id,screen_name) values (2,1,"Signaalbord01")
insert into screen (screen_id,project_id,screen_name) values (3,1,"Signaalbord02")
