How to select columns in a table by their column id and not the column name

Hello,
How do you select columns from a table based on their column_id.
I have create a view
but other than Select * , i cant now select one just one column from it
the view as follow:
create view count_student as
select a.acode "acode",aname "Activity Name",count(ae.acode) "Number of student joined"
from aenrol ae, activity a
where a.acode= ae.acode
group by a.acode,aname;

The issue is that you have decided to use quoted column names. A pretty horrible idea (mostly for the reasons that you are now finding).
Re-create the view and get rid of the silly double quotes.

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How to select columns in a table by their column id and not the column name

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