On 11 October 2011 07:35, chand syed <[email protected]> wrote: > Hai friends....... > > My question is I have one table in that three columns a, b and c.. > > a=7 and b=10 given input now c value must be store as a+b means 7+10=17.
Don't do it, there is no need as you can work it out whenever you need it. So do not have a column c in the database, just provide method c in the model: def c a+b end Then you can use your_object.c just as if it were a column in the db. Colin -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.

