Best ref: [Operational Data Store: A Comprehensive Guide](https://hevodata.com/learn/operational-data-store-a-comprehensive-guide/) ![](https://images.ctfassets.net/k49d63tr8kcn/54HTyOCaiA0QfLDSmurKXR/283dd58d31bef6d9d2731a5082204c5e/Datawarehouse_reference_architecture.jpg) A centralized OLTP store to allow low latency queries to multiple domains. Likely to be disrupted by hybrid engines OLTP and OLAP engines ([[htap|Htap]]). Buenísimo el diagrama de la Unistore de [[snowflake|Snowflake]]: ![Snowflake Unistore Architecture](https://images.squarespace-cdn.com/content/v1/5f42a5dd57c03572d8c96277/8e883a10-8b7f-4648-892c-0a292e9e908b/260+-+Target+Architecture.png?format=750w)I