Reducing size and storing it in db column

Hi all,
I need to handle a col value of 15 char but actually it is comming in as more than
15 char( say 18 char) can any one tell me how to take it in as it is a varchar2(15) column
any thing like converting it to less char using ASCII or chr function
and once again reconverting it back to original form after wards
kindly help.
Thanks,
aak.

I'm not entirely sure what you're trying to do, so I'm going to guess. Please do correct me if my guess is incorrect (and tell us in more detail what your problem is)!
I suspect you have a procedure that accepts a varchar2 parameter / has a variable that you have to store in a column of varchar2(15), but you're having problems because the parameter is longer than 15 characters.
In this instance, I would use the substr(<parameter/variable>, 1, 15) to restrict it to 15 chars. This would then get inserted into your column without any problems.
Does that help?
ETA: Of course, if you're needing to retrieve the full string from your table, you won't be able to. If your requirement is to retrieve the full string from your table, then your only recourse is to extend the column in your table. Or add another column, so that you have two cols - one to hold the substr'd data, the other to hold the full data. (I'd only go with the latter option if there was a damned good reason, though.)

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>
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>
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Reducing size and storing it in db column

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