Top "Amazon-dynamodb" questions

Amazon DynamoDB is a proprietary closed-source cloudnative key-value and document database optimized for horizontal scaling.

How can I implement versioning without replacing with previous record in DynamoDB?

Currently, I see that when I use versioning in DynamoDB, it changes the version number but the new entry will …

amazon-dynamodb
Explain Merkle Trees for use in Eventual Consistency

Merkle Trees are used as an anti-entropy mechanism in several distributed, replicated key/value stores: Dynamo Riak Cassandra No doubt …

algorithm nosql cassandra amazon-dynamodb riak
Is it possible to combine if_not_exists and list_append in update_item

I'm trying to use the update_item functionality for DynamoDB in boto3. I'm struggling right now to update lists for …

amazon-dynamodb boto3
DynamoDB : SET list_append not working using aws sdk

I need to append a string to a string set in a dynamodb table using the corresponding key. This is …

node.js amazon-web-services amazon-dynamodb aws-sdk
What are the pros and cons of DynamoDB with respect to other NoSQL databases?

We use MongoDB database add-on on Heroku for our SaaS product. Now that Amazon launched DynamoDB, a cloud database service, …

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Update nested map dynamodb

I have a dynamodb table with an attribute containing a nested map and I would like to update a specific …

python nested amazon-dynamodb boto3
How to return the inserted item in dynamoDB

I am using nodeJS sdk to put the item to dynamoDB, The item is: { "eventId": date + '-' + eventName + '-' + eventPurpose, "…

node.js amazon-web-services amazon-dynamodb aws-lambda serverless-framework
Setting up Intellij and AWS environment to work with DynamoDB

Lately I started to grow interest in AWS. Since I work with IntelliJ in my work place I would love …

java amazon-web-services intellij-idea amazon-dynamodb aws-sdk
Simple DynamoDB request failing with ResourceNotFoundException

I'm just getting up and running with DynamoDB using the Java SDK (v1.8). I've created a very simple table using …

java amazon-web-services amazon-dynamodb aws-sdk
Dynamo Local from Node-aws: all operations fail "Cannot do operations on a non-existent table"

I have a local dynamo-db running. I have set up my tables using the JavaScript console and they list OK …

node.js amazon-dynamodb dynamo-local