Use this tag for questions specific to the 2019 version of Microsoft's SQL Server.
New Features Of SQL Server 2019
- Intelligent Query Processing Enhancements
- Accelerated Database Recovery (ADR)
- AlwaysEncrypted With Secure Enclaves
- Memory-Optimized Tempdb Metadata
- Query Store Custom Capture Policies
- Verbose Truncation Warnings
- Resumable Index Build
- Data Virtualization With Polybase
- Last Actual Execution Plan DMF
- Multiple Internal Performance Improvements
Reference : What's new in SQL Server 2019 (15.x)