relational/samples/skills.csv

1	id	skill
2	0	C
3	0	Python
4	1	Python
5	1	C++
6	1	System Admin
7	2	C
8	2	PHP
9	3	C++
10	4	C++
11	4	C
12	4	Perl
13	5	Perl
14	5	C
15	7	Python
16	7	C
17	7	PHP
18	9	Java