Hey Bob,, Tell me one thing...instead of using Webservices,it is easy if we r using Drivers.. If we know which type of database they r using on server side,then we can access that database using related driver...so that the headache willl be reduced am i right???
what is the difference of using driver in place of Webservices???? On Mar 19, 1:16 am, Bob Kerns <r...@acm.org> wrote: > On Mar 18, 2:37 am, uday kiran <uday.pic...@gmail.com> wrote: > - So for communicatingdatabase(On remote server) from our > application > - it is compulsory to write a driver like odbc??? > > No, ODBC (or JDBC) is at the wrong level. You do not want to be doing > SQL over the network. > > Instead, you want to create a web server that does the SQL -- and you > just ask it questions (via HTTP GET) or give it commands (PUT, POST, > DELETE). > > If you already know Java well, a Java Servlet would be the easiest way > to go -- running in a servlet engine line Tomcat. > > Tools like Ruby on Rails are supposed to make this even easier, but > will involve learning a new language. > > You're going to have to go and do some studying, and look at a number > of examples. I'm not going to look for a pointer to an example for > you, because if you do it yourself, you can chose ones that more > closely relate to what you're trying to do, or better fit your style > of learning. > > But you can start on the server side by writing a unit test that > simply takes a URL, interprets the parameters, and does the > corresponding SQL query, and returns the result as either XML or JSON. > Once you have that, it's a simple matter to embed that in the > appropriate bit of code for your web server technology (e.g. a > Servlet, in the case of Java). The client side just requests the data > from that URL and reads it. > > Once you get that far for one kind of data, and the GET operation, the > next steps will be both easier and more clear to you. Part of your > problem right now is you're trying to deal with the entire question at > once. -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en To unsubscribe from this group, send email to android-developers+unsubscribegooglegroups.com or reply to this email with the words "REMOVE ME" as the subject.
