By Prabhakar Chaganti, Rich Helms
This ebook is a pragmatic real-world instructional masking every thing you want to find out about Amazon SimpleDB. you'll stumble upon examples in 3 languages: Java, Hypertext Preprocessor, and Python. This publication is aimed toward reworking you from a newbie to a sophisticated developer. while you are a developer eager to construct scalable web-based database purposes utilizing SimpleDB, then this publication is for you. you don't need to grasp whatever approximately SimpleDB to learn and research from this e-book, and no uncomplicated wisdom is exactly worthwhile. This advisor may also help you to begin from scratch and construct complex functions.
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Additional info for Amazon SimpleDB Developer Guide: Scale your application's database on the cloud using Amazon SimpleDB
Once you delete a domain, the data is gone forever. So use caution when deleting a domain! $domain = "cars"; $sdb->deleteDomain($domain); Basic operations with Python Prabhakar Chaganti: "My personal preference is for the Python library—boto, which has a very nicely designed interface and a great community of users". Python is an elegant, open source, object-oriented programming language that is great for rapid application development. Python is a stable, mature language that has been around for quite a long period of time, and is widely used across many of the industries and in a large variety of applications.
If you are on Windows, just run the downloaded EXE file. If you are running on Linux, use your existing package manager to install it. For instance, on Ubuntu, you can install setuptools using the apt package manager. com/p/boto/. 8d, and is provided as a g-zipped distribution that needs to be un-archived after download. 8d and un-archive all the files. Now change into this new folder and run the install script to install boto. py install [ 38 ] Chapter 2 This will byte-compile and install boto into your system.
AWS generates a request signature from the request data using the retrieved Secret Access Key and the same algorithm you used to calculate the signature in the request. • If the signature generated by AWS matches the one you sent in the request, the request is considered to be authentic. If the signatures are different, the request is discarded, and AWS returns an error response. If the timestamp is older than 15 minutes, the request is rejected. The procedure for constructing your requests is simple, but tedious and time consuming.