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 www.dynamodbguide.com
Local or global: Choosing a secondary index type in DynamoDB | DynamoDB, explained.
| | alexdebrie.com
Understanding Eventual Consistency in DynamoDB | DeBrie Advisory
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| | DynamoDB is an eventually consistent database. There's a lot of fear around that. In this post, we'll discuss how to think about eventual consistency in DynamoDB as well as strategies to work around it.
| | blog.awsfundamentals.com
DynamoDB Pricing: A Comprehensive Guide
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| | Discover key factors that influence your monthly expenses in Amazon DynamoDB and learn how to optimize your usage to reduce costs
| | alexdebrie.com
How do distributed databases handle secondary indexes? A survey | DeBrie Advisory
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| | Learn how different distributed databases handle secondary indexes, and the benefits and drawbacks of each approach.
| | johnjr.dev
Why Is Atomicity Not Enough? -
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| When we study transactions in relational databases, one of the first things we learn are the guarantees that a transaction must provide. ACID(Atomicity, Consistency, Isolation, Durability) are the properties that we desire. Here, I will discuss the Isolation level in more detail and show that atomicity alone is not enough when handling concurrency. One classic example of the importance of atomicity is moving money between accounts. So, imagine that we have two accounts and we would like to transfer the total amount from one account to another one. In a relational database, what we need to do is three steps: