# \#self-join

**URL:** https://community.cdata.com/tag/self-join/312.md

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## [How to create a self-join in Azure Cosmos DB for NoSQL while using our driver](https://community.cdata.com/t/how-to-create-a-self-join-in-azure-cosmos-db-for-nosql-while-using-our-driver/463)

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**Author:** [@Kristjana\_Mato](https://community.cdata.com/u/Kristjana_Mato)\
**Replies:** 0\
**Last updated:** [October 17, 2023, 2:58pm UTC](https://community.cdata.com/t/how-to-create-a-self-join-in-azure-cosmos-db-for-nosql-while-using-our-driver/463 "2023-10-17T14:58:41Z")

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While using Azure Cosmos DB, we sometimes need to join data within a single item instead of joining data across entities and sets, as you would do in a relational database. Let’s see a practical illustration to further …