NoSQL

No SQL design and development - Amazon DynamoDB, MongoDB, MySQL document DB.

scan all records of a Amazon DynamoDB table using a Java Code

Carvia Tech | May 07, 2019 | 1 min read | 176 views

scan all records of a Amazon DynamoDB table using a Java Code

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How to implement Atomic Counters in DynamoDB for high throughput

Carvia Tech | May 05, 2019 | 3 min read | 491 views | algorithm-datastructures

A complete tutorial that walks you through Atomic Counters in Amazon DynamoDB for high throughput scenarios using Java API

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What are Conditional Writes in AWS DynamoDB

Carvia Tech | April 30, 2019 | 2 min read | 323 views | Amazon DynamoDB

By default, the DynamoDB write operations (PutItem, UpdateItem, DeleteItem) are unconditional: each of these operations will overwrite an existing item that has the specified primary key.

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How will you ensure that no two threads update the same db record in parallel in amazon DynamoDB

Carvia Tech | April 24, 2019 | 3 min read | 152 views

There are two ways to ensure that lost updates phenomenon does not happen in DynamoDB tables - using Conditional Writes in DyanmoDB and using Optimistic Locking using @Version support

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What are different types of NoSql databases in general?

Carvia Tech | April 24, 2019 | 1 min read | 124 views | algorithm-datastructures

We will discuss Document Oriented DB vs Key value pair vs Graph DB in this post

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How to automatically Retry DynamoDB Write on ProvisionedThroughputExceededException

Carvia Tech | July 27, 2018 | 3 min read | 321 views | Amazon DynamoDB

How to automatically Retry DynamoDB Write when Provisioning error occurs using Spring Retry Module and also discuss approach involving Amazon SQS, Redis etc.

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Implementing Adhaar Card Service using DynamoDB

Carvia Tech | July 26, 2018 | 1 min read | 133 views | algorithm-datastructures

Implementing Adhaar Card Service using DynamoDB

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What is Eventual Consistency in DynamoDB?

Carvia Tech | July 26, 2018 | 1 min read | 156 views

What is Eventual Consistency in DynamoDB

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What are Best Practices for Using Amazon DynamoDB?

Carvia Tech | July 26, 2018 | 2 min read | 201 views | Amazon DynamoDB

What are Best Practices for Using Amazon DynamoDB: database modelling and design, handling write failures, auto-scaling, using correct throughput provisioning, making system resilient top failures.

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Amazon DynamoDB Java Interview Questions

Carvia Tech | December 26, 2017 | 2 min read | 146 views

Frequently Asked Dynamo DB Java Interview Questions

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