New PDF release: Practical Reporting with Ruby and Rails

By David Berube

ISBN-10: 1430205326

ISBN-13: 9781430205326

ISBN-10: 1590599330

ISBN-13: 9781590599334

Business intelligence and real–time reporting mechanisms play a massive position in any of today’s forward–looking enterprise plans. With a lot of those recommendations being moved to the internet, the preferred Rails framework and its underlying Ruby language are enjoying a huge function along net providers in development the reporting ideas of the next day.

Practical Reporting with Ruby and Rails is the 1st e-book to comprehensively introduce this renowned framework, guiding readers via a wide–ranging array of positive factors. notice this isn’t a staid consultant to producing conventional experiences, yet relatively it exhibits you the way the Ruby language and Rails framework can create really compelling reporting providers via plugging into well known third-party functions and providers corresponding to Google AdWords, UPS.com, iTunes, and SalesForce.com.

What you’ll learn

Create reporting ideas for either the net and the desktop
Integrate with strong third–party retail suggestions similar to eBay, and Amazon.com so that it will display screen your revenues campaigns in real–time
Build an bill reporting procedure utilizing Rails and PayPal
Monitor your revenues functionality through benefiting from SugarCRM’s net provider offerings

Who this ebook is for

Ruby and Rails builders trying to create compelling company intelligence and reporting strategies utilizing a large choice of purposes and companies.

Data entry basics
Calculating information with lively checklist
Creating Graphs with Ruby
Creating experiences at the computer
Connecting Your reviews to the realm
Tracking Auctions with eBay
Tracking costs with PayPal
Creating revenues functionality stories with SugarCRM
Investment monitoring with constancy
Calculating expenditures by means of examining Apache internet Logs.
Tracking the inside track with Google information
Creating stories with Ruby and Microsoft workplace
Tracking Your advertisements with Google AdWords

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Additional info for Practical Reporting with Ruby and Rails

Example text

Additionally, the database’s query planner uses speed-enhancing techniques automatically. This query planner has access to statistical information on the various tables and columns that your query uses, and it will formulate a query plan based on that information. In other words, it estimates how long each method of retrieving the data you requested will take, and it uses the quickest method. Because of the capabilities of the database, it’s typically best to use the techniques described in this chapter, as they are considerably faster than doing your statistics in your Ruby code.

Com). Listing 3-3. qxd 12/4/07 10:22 AM Page 39 CHAPTER 3 ■ CREATING GRAPHS WITH RUBY INSERT INTO games (id, name) VALUES (4, 'Sudden Deceleration: No Time to Think'); INSERT INTO games (id, name) VALUES (5, 'Tech Website Baron'); CREATE TABLE plays ( id INT(11) NOT NULL, player_id INT(11) NOT NULL, game_id INT(11) NOT NULL, won TINYINT NOT NULL, PRIMARY KEY (id) ); CREATE TABLE events( play_id INT(11) NOT NULL, event VARCHAR(25) NOT NULL, time INT(11) NOT NULL ); INSERT INSERT INSERT INSERT . .

Remember that both getter and setter methods are automatically created for each field name declared in your schema (Listing 1-1). After you create the first player, you create two more in similar fashion. find class method (inherited from ActiveRecord::Base) and saves them into an array. It then loops through the array while totaling the salaries and wins. For each player, it prints out the player’s salary/wins ratio— that is, how much the player costs the company for each win. Note that although you calculated the average manually for demonstration purposes, you would normally use MySQL’s statistical functions to get this kind of information, as discussed in Chapter 2.

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