Its very simple to load the table value to dropdown box in ruby on rails. Syntax : select(:model, :attribute, rails query) Example : Now you need to load the countries table table to drop down mean select(:Country, :cname, Country.all.collect {|c| [ c.name, c.id ] }) Country => Its model name cname => Field name Country.all => Its load the all values to dropdown. Its like "SELECT *FROM COUNTRIES"