By Prabhakar Chaganti, Rich Helms
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 whole consultant that covers every little thing from deploy to complex good points aimed toward optimizing your application
- Examine SimpleDB and the relational database version and evaluate the easy DB information model
- Packed with examples in Java, Hypertext Preprocessor, and Python and screenshots to demonstrate key recommendations permitting you to concentration program development
SimpleDB is a hugely scalable, simple-to-use, and cheap database within the cloud from Amazon internet prone. yet to be able to use SimpleDB, you actually need to switch your attitude. this is not a standard relational database; in truth it is not relational in any respect. For builders who've adventure operating with relational databases, this can bring about misconceptions as to how SimpleDB works.
This useful ebook goals to deal with your preconceptions on how SimpleDB will be just right for you. you may be fast led during the adjustments among relational databases and SimpleDB, and the results of utilizing SimpleDB. all through this publication, there's an emphasis on demonstrating key strategies with functional examples for Java, personal home page, and Python developers.
You should be brought to this vastly scalable schema-less key-value information shop: what it truly is, the way it works, and why it truly is the sort of game-changer. you are going to then discover the elemental performance provided through SimpleDB together with querying, code samples, and much more. This e-book can help you set up prone outdoor the Amazon cloud and entry them from any internet host.
You will see how SimpleDB offers the liberty to target software improvement. As you're employed via this ebook 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 personal home page, Java, and Python examples, and run optimized database-backed purposes on Amazon's internet companies cloud
What you are going to research 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 a variety of facts forms into string info utilizing Lexicographical comparability with distinctive instructions
- Query, style, and count number facts utilizing decide upon 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
This publication is a realistic real-world instructional protecting every thing you want to learn about Amazon SimpleDB. you'll come upon examples in 3 languages: Java, Hypertext Preprocessor, and Python. This ebook is aimed toward reworking you from a newbie to a complicated developer.
Who this publication 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 need to understand whatever approximately SimpleDB to learn and research from this ebook, and no uncomplicated wisdom is exactly valuable. This advisor might help you to begin from scratch and construct complex applications.
Read Online or Download Amazon SimpleDB Developer Guide PDF
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Additional info for Amazon SimpleDB Developer Guide
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. Before you use boto, you must set up your environment so that boto can find your AWS Access key identifiers. You can get your Access Keys from your AWS account page. Set up two environment variables to point to each of the keys.
If the requirements for your application should suddenly change and you need to start storing data on a customer's Twitter handle for instance, all you need to do is store the data without worrying about any schema changes! Let's add an e-mail address to the database in the previous example. In the relational database, it is necessary to either add e-mail to the phone table with a type of contact field or add another field. Let's add another table named Email_Info.
Set up two environment variables to point to each of the keys. $ export AWS_ACCESS_KEY_ID=Your_AWS_Access_Key_ID $ export AWS_SECRET_ACCESS_KEY=Your_AWS_Secret_Access_Key You can now check if boto is correctly installed and available by using the Python Interpreter and importing the library. If you don't have any errors, then you have boto installed correctly. 1 (Apple Inc. build 5465)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> >>> import boto Exploring SimpleDB with Python We will now use the installed and configured boto library to run some basic operations in SimpleDB using the Python console.