Ask HN: Do businesses still use MSSQL?

Absolutely, the Availability Group and resumable index features are great.

https://docs.microsoft.com/en-us/sql/database-engine/availab...

https://docs.microsoft.com/en-us/sql/relational-databases/in...

Yes, and they also use Oracle, DB2 and Others that are proprietary.

Open source DB's are great, but scaling them easily is not something the Enterprise world has time for, time is money.

I think Postgres and MySQL have come a long way.

Yeah, mostly .NET shops in my experience.

Yeah