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Amazon SimpleDB
Developer Guide (API Version 2009-04-15)

Document History

The following table describes the documentation for this release of Amazon SimpleDB.

Relevant Dates to this History:

  • API version: 2009-04-15

  • Lastest document update: April 12, 2012

Change Description Date Changed
Removed incorrect note.

The Note in the Select operation description was incorrect and has been removed. For more information, see Select.

April 12, 2012
Added handling response code 503 information.

Added instructions for handling server response code 503. For more information, see About Response Code 503.

February 20, 2012
Added HTTP POST request information

Added instructions for forming HTTP POST requests. For more information, see Making REST Requests.

February 20, 2012
Revised AWS version 2 signing information

Revised AWS version 2 signing instructions. For more information, see HMAC-SHA Signature.

February 20, 2012
Support for AWS Security Token Service

Amazon SimpleDB now supports the AWS Security Token Service. For more information, see Using Temporary Security Credentials.

01 Sept 2011

SOAP support deprecated

Amazon SimpleDB no longer supports requests using SOAP.

01 Sept 2011

New Tuning Queries section in documentation

A section was added to the Tuning Queries topic covering the use of composite attributes to improve query performance. For more information see Tuning Your Queries Using Composite Attributes.

20 May 2011

New link

This service's endpoint information is now located in the Amazon Web Services General Reference. For more information, go to Regions and Endpoints in the Amazon Web Services General Reference.

02 March 2011

BatchDeleteAttributes

Amazon SimpleDB can now perform multiple delete operations at once. For more information, see BatchDeleteAttributes.

03 December 2010

Asia Pacific Region

Amazon SimpleDB now supports the Asia Pacific region. For more information, see Region Endpoints.

28 April 2010

Consistent read

GetAttributes and Select can now perform consistent reads, which always return the most recently written data. For more information, see Consistency.

24 February 2010

Conditional put

Amazon SimpleDB now supports conditional put, which enables you to perform a put if a specific condition is met. For more information, see Conditionally Putting and Deleting Data and PutAttributes.

24 February 2010

Conditional delete

Amazon SimpleDB now supports conditional delete, which enables you to delete data if a specific condition is met. For more information, see Conditionally Putting and Deleting Data and DeleteAttributes.

24 February 2010

New Data Center in Europe Amazon SimpleDB is now available in Europe. For more information, see Region Endpoints. 23 September 2009
contains You can now search whether attribute values contain a specified string using like. For more information, see Comparison Operators. 18 May 2009
Sort and Execute Queries by itemName() Select can now use where and order by with itemNames(). For more information, see Comparison Operators. 18 May 2009
IS NULL Sort Sort can now be applied to expressions that contain the is null predicate operator, as long as is null is not applied to the attribute that being sorted on. For more information about Select, see Sort. 18 May 2009
Increased Item Limit Select can now return up to 2500 items. For more information about Select, see Limits. 18 May 2009
Query and QueryWithAttributes Deprecated Amazon SimpleDB replaced Query and QueryWithAttributes with Select, a query function that is similar to the standard SQL SELECT statement. For more information, see Using Select to Create Amazon SimpleDB Queries. 18 May 2009
SSL Required All requests to Amazon SimpleDB must be made over SSL (https://). For more information, see Request Authentication. 18 May 2009