Download e-book for iPad: Amazon SimpleDB Developer Guide by Prabhakar Chaganti, Rich Helms

By Prabhakar Chaganti, Rich Helms

ISBN-10: 1847197345

ISBN-13: 9781847197344

Scale your application's database at the cloud utilizing Amazon SimpleDB

  • Offload the time, attempt, and capital linked to architecting and working an easy, versatile, and scalable internet database
  • A whole advisor that covers every little thing from deploy to complex gains aimed toward optimizing your application
  • Examine SimpleDB and the relational database version and assessment the straightforward DB info model
  • Packed with examples in Java, personal home page, and Python and screenshots to demonstrate key options permitting you to concentration software development

In element

SimpleDB is a hugely scalable, simple-to-use, and cheap database within the cloud from Amazon net companies. yet so as to use SimpleDB, you actually need to switch your frame of mind. this is not a standard relational database; in reality it isn't relational in any respect. For builders who've event operating with relational databases, this can result in misconceptions as to how SimpleDB works.

This functional ebook goals to deal with your preconceptions on how SimpleDB will give you the results you want. you may be speedy led throughout the transformations among relational databases and SimpleDB, and the consequences of utilizing SimpleDB. all through this publication, there's an emphasis on demonstrating key strategies with sensible examples for Java, Hypertext Preprocessor, and Python developers.

You should be brought to this vastly scalable schema-less key-value info shop: what it's, the way it works, and why it's this kind of game-changer. you'll then discover the elemental performance provided by way of SimpleDB together with querying, code samples, and much more. This publication may help you install providers outdoor the Amazon cloud and entry them from any net host.

You will see how SimpleDB provides the liberty to target program improvement. As you're employed via this booklet it is possible for you to to optimize the functionality of your purposes utilizing parallel operations, caching with memcache, asynchronous operations, and more.

Gain in-depth figuring out of Amazon SimpleDB with Hypertext Preprocessor, Java, and Python examples, and run optimized database-backed functions on Amazon's internet companies cloud

What you are going to study from this publication

  • Explore a number of SimpleDB operations with the easy-to-use Boto library on Java, Hypertext Preprocessor, and Python consoles
  • Encode and decode quite a few info kinds into string info utilizing Lexicographical comparability with particular instructions
  • Query, style, and count number facts utilizing opt for syntax
  • Store huge binary gadgets in Amazon S3 whereas utilizing SimpleDB because the metadata store
  • Tune SimpleDB queries utilizing the field utilization value
  • Avoid over the top SimpleDB requests by utilizing a cache
  • Optimize your application's functionality utilizing parallel operations

Approach

This ebook is a realistic real-world educational masking every thing you want to find out about Amazon SimpleDB. you'll encounter examples in 3 languages: Java, personal home page, and Python. This publication is geared toward remodeling you from a newbie to a complicated developer.

Who this booklet is written for

If you're a developer desirous to construct scalable web-based database functions utilizing SimpleDB, then this ebook is for you. you don't want to understand whatever approximately SimpleDB to learn and research from this ebook, and no easy wisdom is exactly priceless. This advisor might help you to begin from scratch and construct complicated applications.

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Extra resources for Amazon SimpleDB Developer Guide

Example text

It will be much easier to grasp the concepts of SimpleDB without drowning in a lot of lines of repetitive code. Most importantly, Python will bring fun back into your programming! [ 37 ] Getting Started with SimpleDB Introducing boto Boto is an open source Python library for communicating with all of the Amazon web services, including SimpleDB. It was originally conceived by Mitch Garnaat and is currently maintained and enhanced by him and a community of developers. It is by far Prabhakar's favorite library for interacting with AWS, and is very easy to use.

Select("SELECT name FROM `prabhakar-dom-1` WHERE make='BMW' AND model='X5'") >>> for result in rs: ... name ... car2 >>> [ 41 ] Getting Started with SimpleDB You can delete a specific item and all of its attributes from a domain. get_attributes('prabhakar-dom-1',car1') {} >>> Finally, you delete a domain by specifying its name. Once you delete a domain, the data is gone forever. So use caution when deleting a domain! delete_domain('prabhakar-dom-1') True >>> Summary In this chapter, we set up an AWS account, enabled SimpleDB service for the account, and installed and set up libraries for Java, PHP, and Python.

Using session variables enables you to try the code at my location and still talk to your SimpleDB without me having access to your keys. empty($_POST["secretkey"])) { $_SESSION['secretkey'] = $_POST["secretkey"]; } The program calls itself passing the value of the input fields. defined('awsSecretKey')) define('awsSecretKey', $secretkey); When the second menu item is selected, the session variables are destroyed. php'); session_destroy(); [ 34 ] Chapter 2 To access SimpleDB, first we create a connection.

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Amazon SimpleDB Developer Guide by Prabhakar Chaganti, Rich Helms


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