Quote Originally Posted by lesstjm
I have a database (9.2.0.6) with an account number field specified as VARCHAR2(CHAR10).
You mean VARCHAR2(10 CHAR) ?

I look in the table and I see 11 digit account numbers. How is that possible? Am I missing something?
Maybe, you cant count or the stored values use characters from fonts that look like double numbers, because 10 char is 10 characters, regardless of the unicode bytes needed to make that charactere