Amazon SimpleDB

Amazon SimpleDB是一個分散式資料庫，以Erlang撰寫。用來作為Web服務在音樂會與亞馬遜彈性計算雲（EC2）和亞馬遜的S3 ，是一部分亞馬遜網絡服務。

正如EC2和S3，SimpleDB的亞馬遜收取費用的存儲，傳輸和吞吐量在互聯網上。 在2008年12月1日，亞馬遜推出了新的定價與自由層[3]為1 GB的數據和25機器小時。 轉移到其他亞馬遜網絡服務是免費的。 for 1 GB of data & 25 machine hours. Transfer to other Amazon Web Services is free of charge.

限制

發行限制:

儲存限制

Attribute	Maximum
domains	250 active domains per account. More can be requested by filling a form.
size of domains	10GB
attributes per domain	1,000,000,000
attributes per item	256 attributes
size per attribute	1024 bytes

查詢限制

Attribute	Maximum
items returned in a query response	2500 items
seconds a query may run	5 seconds
attribute names per query predicate	1 attribute name
comparisons per predicate	20 operators
predicates per query expression	5 predicates

外部連結

• Amazon SimpleDB official home page
• NSimpleDB - Open source C# implementation of the SimpleDB data model for the desktop; can also be used as a proxy for SimpleDB
• M/DB - a Free Open Source API-compatible alternative to SimpleDB that can be used as a local or cloud database
• Simple Savant - Open-source .NET object-persistence framework for Amazon SimpleDB written in C#.
• typica - A Java client for SimpleDB and other Amazon Web Services
• SimpleJPA - a Java Persistence API (JPA) implementation for Amazon's SimpleDB.
• SDB Explorer - Tool to explore Amazon SimpleDB service.