Questions tagged [amazon-simpledb]

Highly available schema-less attribute database that is part of the Amazon Web Services offering. Enables storage and retrieval of named items consisting of one or more key/value string pairs organized into domains. Item retrieval is done either by item name gets or through a sql-like language. Pay for what you use model with no minimum fees or startup costs.

Amazon SimpleDB is a highly available schema-less attribute database that is part of the Amazon Web Services offering. Enables storage and retrieval of named items consisting of one or more key/value string pairs organized into domains. Item retrieval is done either by item name gets or through a sql-like language. Pay for what you use model with no minimum fees or startup costs.

References

390 questions
0
votes
1 answer

simpledb vs cassandra

I've used both simpedb and cassandra, and I've read some article about cassandra.It seems that compared to simpledb, cassandra does not allow flexible data model. I mean, in cassandra the the composition of column family must be specified…
realjin
  • 1,485
  • 1
  • 19
  • 38
0
votes
3 answers

Full text search with Amazon Services

I would to move my application to Amazon SimpleDB, since I’m not going to maintain database service on my own. This application lives under heavy load. There are a lot of reads/writes per second. I don’t need consistency and atomicity and I want to…
0
votes
2 answers

Simple DB and Amazon S3 performance tools

Is there any benchmark tools that i can use to test the Amazon Simple DB performance and Amazon S3 performance? help needed please.
0
votes
3 answers

Remove simpledb mapWith by meta programming in dev mode

I am using simpleDB GORM with my grails application, though simpledb is great its a huge drag while in development mode, every click takes few seconds resulting in not so rapid development. From what I understand simpleDB comes into action only if…
Sap
  • 5,197
  • 8
  • 59
  • 101
0
votes
2 answers

About SimpleDB Query

I want to query SimpleDB by using the SelectRequest. Here is my code: String id = String.valueOf(request.getParameter("userid")); SelectRequest request1 = new SelectRequest( "select * from Member where Account ="…
0
votes
2 answers

SimpleDB library with joins in Ruby

Is there a Ruby library for Amazon's SimpleDB that can generate joins from Ruby classes? For example, if you define Ruby classes for Game and Ball, and each Game has one Ball, code should be generated that queries for the appropriate Ball given an…
RossFabricant
  • 12,364
  • 3
  • 41
  • 50
0
votes
1 answer

Mobile app and SimpleDB direct 'Access Policy'

I'd like to use SimpleDB for a mobile app. I have user accounts so I would have a 'TVM' which would authenticate the user and return a time limited token which allowing the mobile app to directly make SimpleDB calls. I believe however there is no…
user317033
0
votes
1 answer

Use lucene to store indexing meta data or Amazon SimpleDB?

I am architecting a web solution which takes uploaded files and places them on S3. When uploading the files users can add meta data for indexing and archiving purposes. I had planned to use Lucene for this purpose as I have used it many times…
Richard
  • 21,728
  • 13
  • 62
  • 101
0
votes
1 answer

Is the Amazon SimpleDB WSDL for SOAP without WS-Security correct?

The SimpleDB documentation includes this example request for a ListDomains method. Note that there are Signature, Timestamp, AWSAccessKeyId and Version subelements:
mjn
  • 36,362
  • 28
  • 176
  • 378
0
votes
1 answer

SimpleDB select count (*) Inconsistent iPhone

Anyone know why both AWS SimpleDB expressions work? selectRequestClassVariable.selectRequestExpressionString = [NSString stringWithFormat:@"select count(*) from %@",DomainName]; In addition, this second expression works, but has '' around the…
Eric
  • 4,063
  • 2
  • 27
  • 49
0
votes
2 answers

select count(*) from SimpleDB iPhone

I want to return the count of items in this domain. I know count (*) returns one item called Domain with an attribute called Count. How do I get Count's value? @try { SimpleDBSelectRequest *selectRequest2 = [[SimpleDBSelectRequest alloc]…
Eric
  • 4,063
  • 2
  • 27
  • 49
0
votes
0 answers

Export Amazon SimpleDB to csv file

Does the Amazon Java SDK allow you to export a database (Amazon SimpleDB in this case) to a csv file?
locoboy
  • 38,002
  • 70
  • 184
  • 260
0
votes
0 answers

Use case for Amazon SimpleDB

I'm starting to build out a project using MySQL and now starting to think that SimpleDB might be more appropriate. (My reason for potentially using SimpleDB over another NoSQL solution is that it's easy to use with EC2). I have a series of spiders…
alan
  • 4,247
  • 7
  • 37
  • 49
0
votes
2 answers

AWS SimpleDB Select Expression iPhone

I need to construct a selectExpression for SimpleDB where I only want items with attributes = to X, sorted in descending order by attribute Y. All I have so far is this: NSString *selectExpression = [NSString stringWithFormat:@"select itemName()…
Eric
  • 4,063
  • 2
  • 27
  • 49
0
votes
1 answer

Performance difference between 1 query returning n records and n queries returning 1 record?

With respect to Amazon SimpleDB, Is there any significant performance difference between select * from mydomain where itemName() in('id1','id2','id3', 'id4') and select * from mydomain where itemName() == 'id1' select * from mydomain where…
chitti
  • 281
  • 1
  • 4
  • 12