delete from addresses;
delete from cities;
delete from persons;
delete from phonenumbers;

insert into addresses values ('1','1','1','1','1234','1','Hinter dem Wald');
insert into cities values ('1','Testort1');
insert into persons values ('1','Obelix','Obelix','Klaus-Peter');
insert into phonenumbers values ('1','1','3','011111111');
insert into phonenumbers values ('2','1','2','022222222');
insert into phonenumbers values ('3','1','1','033333333');

insert into addresses values ('2','2','1','1','2345','2','Vor dem Wald');
insert into cities values ('2','Testort2');
insert into persons values ('2','Idefix','Idefix','Kerstin');
insert into phonenumbers values ('4','2','3','044444444');
insert into phonenumbers values ('5','2','2','');
insert into phonenumbers values ('6','2','1','066666666');

insert into addresses values ('3','3','1','1','3456','3','Im Wald');
insert into cities values ('3','Testort3');
insert into persons values ('3','Asterix','Asterix','Josef');
insert into phonenumbers values ('7','3','3','077777777');
insert into phonenumbers values ('8','3','2','099999999');
insert into phonenumbers values ('9','3','1',' ');

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