"Terence" <[EMAIL PROTECTED]> wrote: > > Can this be done in one sql statment (without the use of sub-queries): >
Without subqueries - no. > > SELECT count(*) as total, status > FROM table > GROUP BY status > > --------------- > > Absent | 40 > Present | 60 > > and get this result: > > Absent: 40% > > something like: > > SELECT ((count(total) OF status=Absent) / count(total records) * 100) > FROM table > > I need to be able to divide the number of absent by the total number of > results (eg how many times the student attended class). Right now it's in > two queries and I was wondering if it's possible. > -- For technical support contracts, goto https://order.mysql.com/?ref=ensita This email is sponsored by Ensita.net http://www.ensita.net/ __ ___ ___ ____ __ / |/ /_ __/ __/ __ \/ / Egor Egorov / /|_/ / // /\ \/ /_/ / /__ [EMAIL PROTECTED] /_/ /_/\_, /___/\___\_\___/ MySQL AB / Ensita.net <___/ www.mysql.com -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED]
