sf2_fixme_data.sql

insert into service values (1,'svc1');
insert into service values (2,'svc2');

insert into user values (1,1,"John");
insert into user values (2,2,"Paul");

insert into category values (1,'cat1');
insert into category values (2,'cat2');
insert into category values (3,'cat3');

insert into user_category values (1,1,'val1');
insert into user_category values (1,2,'val2');
insert into user_category values (2,1,'val1');
insert into user_category values (2,2,'val2');
insert into user_category values  (2,3,'val3');