Re: Which Database?

Howard Yen wrote: > I need to use a database for a web site that implements stock trading. > We need to > be able to support 500,000+ users where each user will have his/her > account along with his/her portfolio, transaction history, etc. the > database needs to be access over the web. > > there will also be transaction involve where at the end of the day users > order (buy, sell etc.) will need to e executed. > > I need a database that is robust, scalable and that can support a lot of > records and tables. > > I heard about MySQL is it any good? how well does it compare to Oracle > or Sybase. You didn't mention how many simultaneous client sessionsand how many transactions per second need to be supported. Matt