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Avg function

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Avg function DB2 Development forum discussing administration, DB2 queries, SQL/PL, and other DB2-related topics. Covers the entire DB2 line, including UDB (DB2 for Unix and Linux), midrange (AS/400) and mainframe versions.

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  #1  
Old August 29th, 2007, 10:07 AM
sgatl2 sgatl2 is offline
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Avg function
I have the following query

select avg(gpa) from student.

but gpa was declared as varchar.

Can I do type casting of varchar so that it can be converted to a number to calculate the gpa.

Regards

sgatl2
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  #2  
Old August 29th, 2007, 10:48 AM
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  #3  
Old September 21st, 2007, 09:24 PM
fractalvibes fractalvibes is offline
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Yes you can.

fv

Quote:
Originally Posted by sgatl2
I have the following query

select avg(gpa) from student.

but gpa was declared as varchar.

Can I do type casting of varchar so that it can be converted to a number to calculate the gpa.

Regards

sgatl2
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...because that is the way we have always done it. We've been doing it like that for 80 Years! (How do we change that mindset?)
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  #4  
Old September 23rd, 2007, 04:18 AM
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pabloj pabloj is offline
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Quote:
Originally Posted by fractalvibes
Yes you can.

fv
And trying on your own doesn't cost much ...
Using proper data type would also be good, think altering your table.
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