truncate table entity;
truncate table group_member;
truncate table property;

insert into entity (name,group_p,geo_offset,public_key)
values
('Svend',false,2355,'35AB456' ),
('Knud',false,4442,'36546AA'),
('Konger',true,3456, '87432CA');


insert into group_member(group_id,person_id)
values
(3,1);

insert into property(id,property_name)
values
(2,'aaa');