March 2008
Intermediate to advanced
604 pages
18h 38m
English
Content preview from Programming Amazon Web ServicesBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Stock Price Database: A Mini SimpleDB Application
To demonstrate how to query and retrieve information from SimpleDB, we will need a meaningful set of data to work with. In this section we will work through a small application that shows how to load historical stock price information into the SimpleDB service and how to perform queries against this data. Stock prices are a rather dull topic, but because this data is both freely available and contains a range of data types, it will serve our purposes well.
Obtain Historic Stock Price Data
For this application we will need to obtain daily stock price data for a company over a reasonable period, such as for the 2007 calendar year. Such information is available for a number of stocks from Yahoo! Finance at http://finance.yahoo.com. This web site provides daily stock price information that you can download as a comma-separated (CSV) text file which is ideal for automated processing.
To keep things upbeat, let us start with a well-known company whose stocks performed better than most in 2007: Apple, Inc. The following URL leads to a Yahoo! Finances page listing the daily prices paid for Apple stock in 2007. If you wish, you can substitute the stock code portion of this URL (AAPL) with another stock code to view information on a different company: http://finance.yahoo.com/q/hp?s=AAPL&a=00&b=1&c=2007&d=00&e=1&f=2008&g=d?
Table 13-11 lists the fields included in the historical prices data.
Table 13-11. Stock price fields available from Yahoo! ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.