---
title: "Discussion on \"ACID Transactions in Distributed Databases: DynamoDB, Cosmos DB, and Spanner Compared\" | Hashnode"
description: "Discussion on \"ACID Transactions in Distributed Databases: DynamoDB, Cosmos DB, and Spanner Compared\". How modern NoSQL databases achieve atomicity and isolation without a single machine"
url: "https://hashnode.com/posts/acid-transactions-dynamodb-cosmosdb-spanner/69d266b086bcd0e27ce9d925"
---

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# [ACID Transactions in Distributed Databases: DynamoDB, Cosmos DB, and Spanner Compared](https://abstractalgorithms.hashnode.dev/acid-transactions-dynamodb-cosmosdb-spanner?utm_source=hashnode&utm_medium=feed)

How modern NoSQL databases achieve atomicity and isolation without a single machine

Apr 5 · 39 min read · abstractalgorithms.hashnode.dev  
Updated Jun 18  
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-   [#distributed-systems](https://hashnode.com/tag/distributed-systems)
-   [#dynamodb](https://hashnode.com/tag/dynamodb)
-   [#cosmosdb](https://hashnode.com/tag/cosmosdb)
-   [#spanner](https://hashnode.com/tag/spanner)
-   [#acid](https://hashnode.com/tag/acid)
-   [#transactions](https://hashnode.com/tag/transactions)
-   [#nosql](https://hashnode.com/tag/nosql)

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