insert into a_b_c (a_id,b_id,c_id) values ('1','1','1');
delete from a where id='21';
delete from a where id='22';
delete from a where id='23';
delete from a where id='24';
delete from a where id='25';
delete from a where id='26';
delete from a where id='27';
delete from a where id='28';
delete from a where id='29';
insert into a (id,foo) values ('201','test_2_98_1060604190');
insert into a (id,foo) values ('202','test_2_99_1060604190');
insert into a (id,foo) values ('203','test_3_1_1060604190');
insert into a (id,foo) values ('204','test_3_2_1060604190');
insert into a (id,foo) values ('205','test_3_3_1060604190');
insert into a (id,foo) values ('206','test_3_4_1060604190');
insert into a (id,foo) values ('207','test_3_5_1060604190');
insert into a (id,foo) values ('208','test_3_6_1060604190');
insert into a (id,foo) values ('209','test_3_7_1060604190');
update b set bar='5' where id='1';
delete from b where id='2';
insert into c (id,foo,bar) values ('1','bla bla','truc truc');