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 internet database
- A entire advisor that covers every little thing from set up to complex beneficial properties aimed toward optimizing your application
- Examine SimpleDB and the relational database version and evaluate the straightforward DB info model
- Packed with examples in Java, Hypertext Preprocessor, and Python and screenshots to demonstrate key techniques permitting you to concentration software development
SimpleDB is a hugely scalable, simple-to-use, and cheap database within the cloud from Amazon net providers. yet with the intention to use SimpleDB, you actually need to switch your approach. this is not a standard relational database; actually it isn't 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 give you the results you want. you can be fast led during the adjustments among relational databases and SimpleDB, and the results of utilizing SimpleDB. all through this booklet, there's an emphasis on demonstrating key innovations with functional examples for Java, personal home page, and Python developers.
You might be brought to this hugely scalable schema-less key-value facts shop: what it really is, the way it works, and why it really is one of these game-changer. you are going to then discover the fundamental performance provided by means of SimpleDB together with querying, code samples, and much more. This e-book can assist you set up companies open air the Amazon cloud and entry them from any internet host.
You will see how SimpleDB promises 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 realizing of Amazon SimpleDB with Hypertext Preprocessor, Java, and Python examples, and run optimized database-backed functions on Amazon's internet prone cloud
What you'll study from this booklet
- 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 kinds into string information utilizing Lexicographical comparability with certain instructions
- Query, type, and count number info utilizing pick out 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 e-book is a realistic real-world educational overlaying every thing you want to find out about Amazon SimpleDB. you are going to stumble upon examples in 3 languages: Java, personal home page, and Python. This e-book is aimed toward remodeling 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 need to grasp something approximately SimpleDB to learn and research from this ebook, and no easy wisdom is exactly important. This consultant may also help you to begin from scratch and construct complex applications.
Read Online or Download Amazon SimpleDB Developer Guide PDF
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Extra info for Amazon SimpleDB Developer Guide
The table is inefficient and would require care to update to keep the name data in sync. To find a person by his or her phone number is easy. SELECT * FROM Contact_Info WHERE Phone_Num = '555-854-9885' So let's analyze the strengths and weaknesses of this database design. SCORE—Raw data Strength Efficient storage Weakness No Efficient search by phone number Yes Efficient search by name No Easy to add another phone number Yes The design is simple, but as the name data is repeated, it would require care to keep the data in sync.
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. $ 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.
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.