SOLVED What benifits are there to Blank Padding values in a DB?

I was witting some SQL last week and got really frustrated when I couldn't figure out why my joins were not working from on DB to another. I eventually found that there where blanks tagged on to the end of all of the values of one of the columns I was joining. I knew right off how to take care of the problem (RTRIM), but I found myself wonder today why this practice exists. Google couldn't really answer my question so I turn to you guys.
What is the purpose or reason behind blank padding values in a DB?
My assumption of course is that the creator of the DB I'm working with actually did have a purpose, but I was informed by my coworker that they didn't deserve that level of credit. LOL. Still, if the feature or option exists there must be a reason.
Thanks for your help,
David

Can't imagine why they are right padded, though. Left
padded could be explained.My bad, for a moment I thougth CHARs got left padded, when they are in fact right padded.
create table t (c char(3));
insert into t values ('X');
commit;
select dump(c) from t;
DUMP(C)
Typ=96 Len=3: 88,32,32
1 row selected.Regards
Peter, now answering himself

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G5 2x2GHz Mac OS X (10.4.8)
G5 2x2GHz Mac OS X (10.4.8)
G5 2x2GHz Mac OS X (10.4.8)

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SOLVED What benifits are there to Blank Padding values in a DB?

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