SQL Server technical documentation
Technical documentation to help you get started, administer, develop, and work with SQL Server and associated products.
SQL Server
What's new
- What's New in SQL Server 2025?
- What's New in Azure SQL Database?
- What's New in Azure SQL Managed Instance?
- What's New in SQL Server on Azure VMs?
Get started
Quickstart
- What is SQL Server?
- The Microsoft SQL Database Engine
- Connect to the Database Engine
- Connect and query with SSMS
Get started
- Migrate to SQL Server
- Secure SQL Server
- Monitor SQL Server
- Tune performance
- High availability and disaster recovery
- Educational SQL resources