<?xml version="1.0" encoding="utf-8"?>
<feed xml:lang="en-us" xmlns="http://www.w3.org/2005/Atom"><title>Simon Willison's Weblog: simpledb</title><link href="http://simonwillison.net/" rel="alternate"/><link href="http://simonwillison.net/tags/simpledb.atom" rel="self"/><id>http://simonwillison.net/</id><updated>2008-12-18T08:59:57+00:00</updated><author><name>Simon Willison</name></author><entry><title>Amazon SimpleDB - Now With Select</title><link href="https://simonwillison.net/2008/Dec/18/sqllike/#atom-tag" rel="alternate"/><published>2008-12-18T08:59:57+00:00</published><updated>2008-12-18T08:59:57+00:00</updated><id>https://simonwillison.net/2008/Dec/18/sqllike/#atom-tag</id><summary type="html">
    
&lt;p&gt;&lt;strong&gt;&lt;a href="http://aws.typepad.com/aws/2008/12/simpledb---now-with-select.html"&gt;Amazon SimpleDB - Now With Select&lt;/a&gt;&lt;/strong&gt;&lt;/p&gt;
So now all three of Yahoo!, Amazon and Google have invented their own SQL-like languages (YQL, SimpleDB and GQL)—though it looks like Yahoo!’s is the only one that attempts to provide joins.


    &lt;p&gt;Tags: &lt;a href="https://simonwillison.net/tags/amazon"&gt;amazon&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/google"&gt;google&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/gql"&gt;gql&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/simpledb"&gt;simpledb&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/sql"&gt;sql&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/sqllike"&gt;sqllike&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/yahoo"&gt;yahoo&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/yql"&gt;yql&lt;/a&gt;&lt;/p&gt;



</summary><category term="amazon"/><category term="google"/><category term="gql"/><category term="simpledb"/><category term="sql"/><category term="sqllike"/><category term="yahoo"/><category term="yql"/></entry><entry><title>How Tarsnap uses Amazon Web Services</title><link href="https://simonwillison.net/2008/Dec/14/tarsnap/#atom-tag" rel="alternate"/><published>2008-12-14T19:35:28+00:00</published><updated>2008-12-14T19:35:28+00:00</updated><id>https://simonwillison.net/2008/Dec/14/tarsnap/#atom-tag</id><summary type="html">
    
&lt;p&gt;&lt;strong&gt;&lt;a href="http://www.daemonology.net/blog/2008-12-14-how-tarsnap-uses-aws.html"&gt;How Tarsnap uses Amazon Web Services&lt;/a&gt;&lt;/strong&gt;&lt;/p&gt;
Useful case study, including some thoughts on SimpleDB.

    &lt;p&gt;&lt;small&gt;&lt;/small&gt;Via &lt;a href="http://www.reddit.com/r/programming/"&gt;programming&lt;/a&gt;&lt;/small&gt;&lt;/p&gt;


    &lt;p&gt;Tags: &lt;a href="https://simonwillison.net/tags/amazon-web-services"&gt;amazon-web-services&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/aws"&gt;aws&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/cloud-computing"&gt;cloud-computing&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/ec2"&gt;ec2&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/s3"&gt;s3&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/simpledb"&gt;simpledb&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/tarsnap"&gt;tarsnap&lt;/a&gt;&lt;/p&gt;



</summary><category term="amazon-web-services"/><category term="aws"/><category term="cloud-computing"/><category term="ec2"/><category term="s3"/><category term="simpledb"/><category term="tarsnap"/></entry><entry><title>Amazon SimpleDB a complete flop?</title><link href="https://simonwillison.net/2008/Dec/2/fluidinfo/#atom-tag" rel="alternate"/><published>2008-12-02T10:17:48+00:00</published><updated>2008-12-02T10:17:48+00:00</updated><id>https://simonwillison.net/2008/Dec/2/fluidinfo/#atom-tag</id><summary type="html">
    
&lt;p&gt;&lt;strong&gt;&lt;a href="http://www.fluidinfo.com/terry/2008/12/02/amazon-simpledb-a-complete-flop/"&gt;Amazon SimpleDB a complete flop?&lt;/a&gt;&lt;/strong&gt;&lt;/p&gt;
Terry asks if anyone is actually using SimpleDB (related Google searches indicate not, and I’ve personally not heard of anyone using it despite plenty of usage of S3 and EC2). One factor might be that lock-in to EC2 and S3 is pretty small, but if you rely on SimpleDB you’ll need to rewrite your entire application to escape.


    &lt;p&gt;Tags: &lt;a href="https://simonwillison.net/tags/amazon-web-services"&gt;amazon-web-services&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/cloud"&gt;cloud&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/ec2"&gt;ec2&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/lockin"&gt;lockin&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/s3"&gt;s3&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/simpledb"&gt;simpledb&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/terry-jones"&gt;terry-jones&lt;/a&gt;&lt;/p&gt;



</summary><category term="amazon-web-services"/><category term="cloud"/><category term="ec2"/><category term="lockin"/><category term="s3"/><category term="simpledb"/><category term="terry-jones"/></entry><entry><title>Multi-Inflection-Point Alert</title><link href="https://simonwillison.net/2008/Apr/26/ongoing/#atom-tag" rel="alternate"/><published>2008-04-26T18:48:57+00:00</published><updated>2008-04-26T18:48:57+00:00</updated><id>https://simonwillison.net/2008/Apr/26/ongoing/#atom-tag</id><summary type="html">
    
&lt;p&gt;&lt;strong&gt;&lt;a href="http://www.tbray.org/ongoing/When/200x/2008/04/24/Inflection"&gt;Multi-Inflection-Point Alert&lt;/a&gt;&lt;/strong&gt;&lt;/p&gt;
Dammit, Tim, stop giving away our competitive advantages!


    &lt;p&gt;Tags: &lt;a href="https://simonwillison.net/tags/bigtable"&gt;bigtable&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/couchdb"&gt;couchdb&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/java"&gt;java&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/python"&gt;python&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/rails"&gt;rails&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/rest"&gt;rest&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/simpledb"&gt;simpledb&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/soap"&gt;soap&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/tim-bray"&gt;tim-bray&lt;/a&gt;&lt;/p&gt;



</summary><category term="bigtable"/><category term="couchdb"/><category term="java"/><category term="python"/><category term="rails"/><category term="rest"/><category term="simpledb"/><category term="soap"/><category term="tim-bray"/></entry><entry><title>Eventually Consistent</title><link href="https://simonwillison.net/2007/Dec/20/werner/#atom-tag" rel="alternate"/><published>2007-12-20T17:59:23+00:00</published><updated>2007-12-20T17:59:23+00:00</updated><id>https://simonwillison.net/2007/Dec/20/werner/#atom-tag</id><summary type="html">
    
&lt;p&gt;&lt;strong&gt;&lt;a href="http://www.allthingsdistributed.com/2007/12/eventually_consistent.html"&gt;Eventually Consistent&lt;/a&gt;&lt;/strong&gt;&lt;/p&gt;
Werner Vogels explains the trade-offs involved in building scalable, highly-available data stores such as Amazon’s SimpleDB.


    &lt;p&gt;Tags: &lt;a href="https://simonwillison.net/tags/amazon"&gt;amazon&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/eventuallyconsistent"&gt;eventuallyconsistent&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/scaling"&gt;scaling&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/simpledb"&gt;simpledb&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/wernervogels"&gt;wernervogels&lt;/a&gt;&lt;/p&gt;



</summary><category term="amazon"/><category term="eventuallyconsistent"/><category term="scaling"/><category term="simpledb"/><category term="wernervogels"/></entry><entry><title>Amazon SimpleDB overview</title><link href="https://simonwillison.net/2007/Dec/14/amazoncom/#atom-tag" rel="alternate"/><published>2007-12-14T11:39:55+00:00</published><updated>2007-12-14T11:39:55+00:00</updated><id>https://simonwillison.net/2007/Dec/14/amazoncom/#atom-tag</id><summary type="html">
    
&lt;p&gt;&lt;strong&gt;&lt;a href="http://www.amazon.com/gp/browse.html?node=342335011"&gt;Amazon SimpleDB overview&lt;/a&gt;&lt;/strong&gt;&lt;/p&gt;
Attribute values are limited to 1,024 bytes; Amazon suggest that you store larger fields in S3 and use SimpleDB to query metadata about those objects.


    &lt;p&gt;Tags: &lt;a href="https://simonwillison.net/tags/amazon"&gt;amazon&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/metadata"&gt;metadata&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/s3"&gt;s3&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/simpledb"&gt;simpledb&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/web-services"&gt;web-services&lt;/a&gt;&lt;/p&gt;



</summary><category term="amazon"/><category term="metadata"/><category term="s3"/><category term="simpledb"/><category term="web-services"/></entry><entry><title>What You Need To Know About Amazon SimpleDB</title><link href="https://simonwillison.net/2007/Dec/14/simpledb/#atom-tag" rel="alternate"/><published>2007-12-14T11:21:37+00:00</published><updated>2007-12-14T11:21:37+00:00</updated><id>https://simonwillison.net/2007/Dec/14/simpledb/#atom-tag</id><summary type="html">
    
&lt;p&gt;&lt;strong&gt;&lt;a href="http://www.satine.org/archives/2007/12/13/amazon-simpledb/"&gt;What You Need To Know About Amazon SimpleDB&lt;/a&gt;&lt;/strong&gt;&lt;/p&gt;
Amazon have finally launched the database component of their web service suite. It fits a bunch of current trends: key/value pairs, schemaless, built on top of Erlang. “Eventual consistency” is an interesting characteristic.


    &lt;p&gt;Tags: &lt;a href="https://simonwillison.net/tags/amazon"&gt;amazon&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/charles-ying"&gt;charles-ying&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/databases"&gt;databases&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/erlang"&gt;erlang&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/hashtables"&gt;hashtables&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/scaling"&gt;scaling&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/schemaless"&gt;schemaless&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/simpledb"&gt;simpledb&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/web-services"&gt;web-services&lt;/a&gt;&lt;/p&gt;



</summary><category term="amazon"/><category term="charles-ying"/><category term="databases"/><category term="erlang"/><category term="hashtables"/><category term="scaling"/><category term="schemaless"/><category term="simpledb"/><category term="web-services"/></entry></feed>