Amazon SimpleDB is a highly available NoSQL data store that offloads the work of database administration. Developers simply store and query data items via web services requests and Amazon SimpleDB does the rest.

Amazon SimpleDB is a distributed database written in Erlang [1] by Amazon.com. It is used as a web service in concert with Amazon Elastic Compute Cloud (EC2) and Amazon S3 and is part of Amazon Web Services .

Amazon SimpleDB requires no schema, automatically indexes your data and provides a simple API for storage and access. This eliminates the administrative burden of data modeling, index maintenance, and performance tuning.

Amazon SimpleDB 可自动管理基础设施预配置、硬件和软件维护、数据项目复制和索引，以及性能优化。 Amazon SimpleDB 为您存储的每个数据项目自动创建分布在多个地理位置的副本。 这可提供高可用性和持久性 – 即使出现罕见的副本故障，Amazon SimpleDB 也能将故障转移到系统中的另一副本。 随着您的业务变化或应用程序演进，您可以轻松地在 Amazon SimpleDB 中反映这些改变，不必担心要打破刚性架构或需要重构代码；只要根据需求向 Amazon SimpleDB 数据集 …

Amazon SimpleDB provides a simple web services interface to create and store multiple data sets, query your data easily, and return the results. Your data is automatically indexed, making it easy to quickly find the information that you need. There is no need to pre-define a schema or change a schema if new data is added later.

Amazon SimpleDB is a web service for running queries on structured data in real time. This service works in close conjunction with Amazon Simple Storage Service (Amazon S3) and Amazon Elastic Compute Cloud (Amazon EC2), collectively providing the ability to store, process and query data sets in the cloud.

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Amazon SimpleDB 是一個分散式資料庫，以 Erlang 撰寫。 同與 Amazon EC2 和亞馬遜的S3一样作为一项Web 服务，属于 亞馬遜雲端運算服務 （AWS）的一部分。 正如EC2和S3，SimpleDB的按照存儲量，在互聯網上的傳輸量和吞吐量收取費用。 在2008年12月1日，亞馬遜推出了新的定價策略，提供了免费1 GB的數據和25機器小時的自由層 (Free Tire) [1]。 将其中的数据轉移到其他亞馬遜網絡服務是免費的。 [2] 發行限制 [3]: 每個帳號有250個活動域. 可以填表取得更多. ^ …

The best way to understand Amazon SimpleDB is to work through the Getting Started Guide, part of our Technical Documentation. Within a few minutes, you will be able to create your domain and start building your index!

May 28, 2010 · In this book, we will be focusing on using the ReST Requests for talking to SimpleDB, as it is a much simpler protocol and utilizes straightforward HTTP-based requests and responses for communication, and the requests are sent to SimpleDB using either a HTTP GET or POST method.