Oracle 10.2.0.1.0

Oracle: Can a character set be changed after a schema has been created?

My boss was so pleased with the response from this site that he asked me to ask another question!  He was getting character set warnings when doing an export, apparently the charset of his db was different than where he was exporting (I think!). In any case, we build a new db (schema) prior to...

Getting "EXP-00091: Exporting questionable statistics." error on Oracle export

My boss is getting an "EXP-00091: Exporting questionable statistics." error - actually, several identical messages per table - when using the EXP utility to dump several tables in an Oracle database.  I'm not familiar with this utility, so I'm researching the problem for my boss.  The...