Initialize connection to DynamoDB
options parameter must include values for :aws_access_key_id and :aws_secret_access_key in order to create a connection
ddb = DynamoDB.new( :aws_access_key_id => your_aws_access_key_id, :aws_secret_access_key => your_aws_secret_access_key )
request_items has form: {"table_name"=>
[{"PutRequest"=> {"Item"=> {"hash_key"=>{"N"=>"99"}, "range_key"=>{"N"=>"99"}, "attribute"=>{"S"=>"hi"} }}}, ... ]} For more information: http://docs.amazonwebservices.com/amazondynamodb/latest/developerguide/API_BatchWriteItems.html
Create DynamoDB table
Delete DynamoDB item
Delete DynamoDB table
Describe DynamoDB table
Update DynamoDB item
Query DynamoDB items
Scan DynamoDB items
Update DynamoDB item
Update DynamoDB table throughput