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PL/SQL (MOSC)

count number of student per score grade

Oct 31, 2012 12:49PM edited Nov 1, 2012 5:47AM in PL/SQL (MOSC) 2 commentsAnswered ✓

Hi,

I have 1 table call exam( student_name(varchar2), testscore(int))

I want to count the number of students per testscore level. so the out put i have is:

#students testscore

20 90+ (A)

10 80-89 (B)

5 70-79 (C)

4 60-69 (D)

It does sound simple but I am stuck at the group by clause . Can someone give me a hint?

thanks,

cp

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