problem with sql data fetch

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SQL-server-2000

dear sir/ma'am

i have a problem to fetch data

my table is in the form

rollno maxmark obtmark
1 100 60
1 100 70
1 100 70
2 100 65
2 100 80

but i found the outputr like

rollno maxmark obtmark percentage
1 300 200 66.66
2 200 145 72.5

please help me regarding this

Posted 11-Jun-13 17:11pm

ankur789

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Comments

Ron Beyer 11-Jun-13 23:15pm

Can you post your SQL or any other information on how you are getting or displaying this data?

ankur789 11-Jun-13 23:20pm

sir in my table i have 300(100+100+100)maxmarks and 200(60+70+70)obtmarks
i want the output given in my ques.
i do'nt understand how i do it ,am i use case or anyother

ankur789 11-Jun-13 23:20pm

above comment is for rollno1

1 solution

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_Damian S_ · Accepted Answer · 2013-06-11T17:33:00

Solution 1

Simple SQL like this should get you pretty close to where you want to be.

SQL

select rollno, sum(maxmark), sum(obtmark), (sum(maxmark)/sum(obtmark))*100 as percentage
from TABLENAME
group by rollno

Posted 11-Jun-13 17:33pm

_Damian S_