By Prabhakar Chaganti, Rich Helms
This publication is a pragmatic real-world instructional overlaying every little thing you must learn about Amazon SimpleDB. you'll stumble upon examples in 3 languages: Java, personal home page, and Python. This ebook is geared toward remodeling you from a newbie to a complicated developer. while you're a developer desirous to construct scalable web-based database purposes utilizing SimpleDB, then this e-book is for you. you don't want to understand something approximately SimpleDB to learn and examine from this publication, and no uncomplicated wisdom is precisely precious. This consultant can assist you to begin from scratch and construct complex purposes.
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Additional info for Amazon SimpleDB Developer Guide: Scale your application's database on the cloud using Amazon SimpleDB
SimpleDB versus RDBMS No normalization Normalization is a process of organizing data efficiently in a relational database by eliminating redundant data, while at the same time ensuring that the data dependencies make sense. SimpleDB data models do not conform to any of the normalization forms, and tend to be completely de-normalized. The lack of need for normalization in SimpleDB allows you a great deal of flexibility with your model, and enables you to use the power of multi-valued attributes in your data.
These databases have served us well for our application needs. However, there is a new breed of applications coming to the forefront in the current Internet-driven and socially networked economy. The new applications require large scaling to meet demand peaks that can quickly reach massive levels. This is a scenario that is hard to satisfy using a traditional relational database, as it is impossible to requisition and provision the hardware and software resources that will be needed to service the demand peaks.
Many of the most popular open source applications such as WordPress are written with PHP. There are several SimpleDB APIs available. The PHP samples are based on an API written by Dan Myers. This program is easy to understand, use, and expand. Rich Helms has expanded the API and provided samples for this book. [ 31 ] Getting Started with SimpleDB All of the sample code can be downloaded and run from your site, or executed from our site, with your Access Keys to your SimpleDB. Note that the user interface in these samples is very basic.
Amazon SimpleDB Developer Guide: Scale your application's database on the cloud using Amazon SimpleDB by Prabhakar Chaganti, Rich Helms