SingleStoreDB is heavily used for this type of app. We used to call this use case real-time analytics (though it has many other names today) [1] https://www.s

SingleStoreDB is heavily used for this type of app. We used to call this use case real-time analytics (though it has many other names today) [1] https://www.singlestore.com/blog/the-technical-capabilities-your-database-needs-for-real-time-analytics/ https://www.singlestore.com/blog/the-technical-capabilities-... (Disclosure: SingleStoreDB cofounder)