1 echo CREATE TABLE t1
(f1 int
,f2 int
,primary key
(f1
));
3 echo CREATE TABLE t2
(f3 int
,f4 int
,primary key
(f3
));
5 echo CREATE TABLE t3
(f5 int
,f6 int
,foreign key
(f5
) references t1
(f1
),foreign key
(f6
) references t2
(f3
) );