Sybase ASE 15.7 sort ordering

I have my sort ordering in Sybase as: 45 190 **altdict** - Alternate (lower-case first) dictionary ordering Am I right that alternate means "aAbBcC..zZ" ordering? What should I do to change ordering with "ORDER BY" as 'ABC..YZabc..yz' ? What sort ordering to choose? Where may it be changed? In a session? In SQL statement? as far as I know I need to change the whole server sort ordering and rebuilt indexes. But there are a bunch of databases with different owners and different users and it seems a bit extreme