USE tpch1;
select * from sub1;
c1	c2	c3	s1	s2	s3
1	1	1	1	1	1
2	2	2	2	2	2
3	3	3	3	3	3
4	1	1	1	1	1
5	99	99	99	99	99
6	NULL	NULL	NULL	NULL	NULL