Amazon SimpleDB Developer Guide - download pdf or read online

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 net database
  • A entire advisor that covers every thing from deploy to complex positive aspects aimed toward optimizing your application
  • Examine SimpleDB and the relational database version and assessment the easy DB information model
  • Packed with examples in Java, personal home page, and Python and screenshots to demonstrate key thoughts permitting you to concentration program development

In aspect

SimpleDB is a hugely scalable, simple-to-use, and cheap database within the cloud from Amazon net prone. yet to be able to use SimpleDB, you actually need to switch your mind-set. this is not a conventional relational database; actually it isn't relational in any respect. For builders who've event operating with relational databases, this can bring about misconceptions as to how SimpleDB works.

This sensible e-book goals to deal with your preconceptions on how SimpleDB will be just right for you. you may be fast led during the changes among relational databases and SimpleDB, and the results of utilizing SimpleDB. all through this ebook, there's an emphasis on demonstrating key thoughts with useful examples for Java, personal home page, and Python developers.

You may be brought to this vastly scalable schema-less key-value facts shop: what it really is, the way it works, and why it's this sort of game-changer. you are going to then discover the fundamental performance provided through SimpleDB together with querying, code samples, and much more. This publication may also help you install prone open air the Amazon cloud and entry them from any internet host.

You will see how SimpleDB can provide the liberty to target software 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 knowing of Amazon SimpleDB with personal home page, Java, and Python examples, and run optimized database-backed functions on Amazon's internet providers cloud

What you are going to study from this booklet

  • Explore numerous SimpleDB operations with the easy-to-use Boto library on Java, personal home page, and Python consoles
  • Encode and decode numerous facts varieties into string information utilizing Lexicographical comparability with exact instructions
  • Query, type, and count number facts utilizing decide on 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 through the use of a cache
  • Optimize your application's functionality utilizing parallel operations

Approach

This e-book is a pragmatic real-world instructional overlaying every thing you must learn about Amazon SimpleDB. you'll stumble upon examples in 3 languages: Java, personal home page, and Python. This booklet is aimed toward reworking you from a newbie to a complicated developer.

Who this booklet is written for

If you're a developer eager to construct scalable web-based database purposes utilizing SimpleDB, then this publication is for you. you don't want to understand something approximately SimpleDB to learn and examine from this e-book, and no uncomplicated wisdom is exactly useful. This advisor might help you to begin from scratch and construct complicated applications.

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Extra resources for Amazon SimpleDB Developer Guide

Sample text

If you are downloading and running the source from your site, you can just define the keys and avoid the session variables. 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.

Boto will use the environment variable for the Access Keys that we set up in the previous section for connecting to SimpleDB. We first create a connection to SimpleDB. connect_sdb() >>> Boto is using the AWS Access Keys we previously set up in the environmental variables in this case. You can also explicitly specify the Access Keys on creation. connect_sdb(access_key,secret_key) >>> [ 39 ] Getting Started with SimpleDB Creating a domain with Python A SimpleDB domain is a container for storing data, and is similar in concept to a table in a relational database.

Then the sample will break into three streams: Java, PHP, and Python. The purpose of this sample is to introduce code snippets to create, list, and delete domains as well as create, query, and delete items. Each domain is a container for storing items. Any item that does not have any attributes is considered empty and is automatically deleted by SimpleDB. You can therefore have empty domains stored in SimpleDB, but not items with zero attributes. Each value is stored as a UTF-8 string in SimpleDB.

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Amazon SimpleDB Developer Guide by Prabhakar Chaganti, Rich Helms


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