1 CREATE TABLE t1
(f1 INT NOT NULL
, f2 INT
);
2 CREATE INDEX t1_idx1_Primary on t1
( f1
) HASH UNIQUE
;
3 CREATE TABLE t2
(f3 INT
, f4 INT NOT NULL
, FOREIGN KEY
( f3
) REFERENCES t1
( f1
));
4 CREATE INDEX t2_idx1_Primary on t2
( f4
) HASH UNIQUE
;
5 CREATE TABLE t3
(f5 INT
, f6 INT
, FOREIGN KEY
( f5
) REFERENCES t2
( f4
));
