Amazon SimpleDB Developer Guide (API Version 2009-04-15) «
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associated with a particular developer.   Similar to columns on
a spreadsheet, attributes represent categories of data that can
be assigned to items.  consistent read    All Amazon SimpleDB
information is stored in domains. Domains are similar to tables
that contain similar data. You can execute queries against a
domain, but cannot execute joins between domains.  The name of
the domain must be unique within the customer account.
eventually consistent read  An eventually consistent read (using
Select or GetAttributes) might not reflect the results of a
recently completed write (using PutAttributes,
BatchPutAttributes, DeleteAttributes). Consistency is usually
reached within a second; repeating a read after a short time
should return the updated data.  exponential backoff  A strategy
for reducing the load on the system and increasing the
likelihood of repeated requests succeeding by incrementally d