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Don Burleson Blog 








Oracle Ruby on Rails

Oracle Database Tips by Donald Burleson

Question:  What is Oracle Ruby on rails (RoR) all about?

Answer: Ruby was first introduced as an extension to PHP, and Rails was a web development tool, but Ruby on Rails has evolved into an object-oriented language with scripting capabilities, code generators and libraries of re-usable components.  Andrej Koelewijn has published a great sample Oracle Ruby on Rails tutorial, and here is a sample Oracle RoR script:

require 'active_record'

class TodoList < ActiveRecord::Base

  :adapter  => "oci", 
  :host     => "oraxe/xe", 
  :username => "tl_owner", 
  :password => "tl_owner"

todoList = = "List 1"
todoList.description = "My first description"

todoList2 = TodoList.find(:first,:conditions =>["name = ?","List 1"])

puts "#{}, #{}, #{todoList2.description}"

When do I use Oracle Ruby on Rails?

Ruby on Rails for Oracle is a tool for developing web applications quickly and it differs from standard Ruby on Rails in that it includes persistence routines to store Ruby on Rails objects within the Oracle relational tables.  Oracle RoR (Ruby on Rails) is just the latest incarnation of yet another web application development environment, joining the other Oracle web development tools of SQL*Forms, JDeveloper, Application Express (HTML-DB, Apex).

As-is the case with all relational persistence methods for object-oriented languages, Oracle Ruby on Rails programmers must overcome the issue of the impedance mismatch.

Using Ruby on Rails with Oracle

Oracle has complete instructions for installing Oracle RoR and an Oracle Ruby on Rails tutorial, yet Andrej Koelewijn has the best working example of Oracle RoR.  Remember, the only thing different from Oracle Ruby on Rails and standard Ruby on Rails is the Oracle storage interface methods.

Hence, Oracle RoR is most appropriate for developers who already have experience with Ruby on Rails.

The future of Oracle Ruby on Rails

 The central question is whether the addition of Oracle persistence methods within Oracle Ruby on Rails, is enough to make it a popular development platform for Oracle-based applications.  Tim O'Reilly, the technology publishing guru notes that Ruby on Rails book sales are flat:

"PHP is up only 4%, Cold Fusion up 9%, and JSP off 16%. Ruby on Rails shows in the treemap as flat, up 0%."

Steve Karam, an Oracle Certified Master, author and expert in web technologies, shares these predictions on programming languages for 2015 and the state of Ruby and Ruby On Rails (RoR):

"I should learn about more about Ruby, as that's the "hot language" on the market right now.

Ruby is a fork of PHP with some special features built in, and pretty rapid development, which is why it's popular right now.

A lot of the people I work with, however, think that Ruby is going to fade at some point whereas PHP has and will not...I guess time will tell.""

Oracle ruby on Rails References:

If you like Oracle tuning, see the book "Oracle Tuning: The Definitive Reference", with 950 pages of tuning tips and scripts. 

You can buy it direct from the publisher for 30%-off and get instant access to the code depot of Oracle tuning scripts.



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