El default depende de la region de la instalación. Por ejemplo aquà el default es: Latin1-General, case-insensitive, accent-sensitive, kanatype-insensitive, width-insensitive for Unicode Data, SQL Server Sort Order 52 on Code Page 1252 for non-Unicode Data Cambiarlo de depende exclusivamente de las necesidades de la aplicación. De ninguna manera afecta la performance. Luis Martin Moderator SQL-Server-Performance.com One of the symptoms of an approaching nervous breakdown is the belief that one's work is terribly important Bertrand Russell All postings are provided “AS IS†with no warranties for accuracy.