ASDV-SQL/Semester 1/CSVs/Works_on.csv

1	Essn	Pno	Hours
2	987654321	30	20.0
3	453453453	2	20.0
4	123456789	2	7.5
5	33344555	20	10.0
6	987654321	20	15.0
7	888665555	20	NULL
8	666884444	3	40.0
9	33344555	10	10.0
10	999887777	30	30.0
11	123456789	1	32.5
12	453453453	1	20.0
13	123456789	3	10.5
14	33344555	2	10.0
15	987987987	10	35.0
16	33344555	3	10.0
17	987987987	30	5.0
18	999887777	10	10.0