About Microsoft SQL Server
Microsoft SQL Server is a relational database from Microsoft for enterprise applications. The 2025 release adds built-in AI features and developer tools to the core database.
What it does
SQL Server stores and queries relational data with the T-SQL language. Microsoft positions it for security, performance and availability, with features such as Microsoft Entra authentication and improved locking for concurrent apps. It can also connect to Microsoft Fabric and Azure Arc for analytics and hybrid management.
Key features
- T-SQL language for queries and procedures
- Microsoft Entra authentication
- Built-in AI features in SQL Server 2025
- Batch mode for faster query processing
- Azure Arc integration for hybrid setups
Who it's for
Enterprise IT teams and developers who build line of business applications on Microsoft tools. Data teams that already use Azure and Microsoft Fabric may find the integrations useful.
Pricing and good to know
SQL Server comes in several editions with different licensing options. The Express and Developer editions are free, and the Developer edition is limited to development and testing. Check Microsoft's licensing terms before using a free edition in production.
Highlights
- T-SQL language for queries and procedures
- Microsoft Entra authentication
- Built-in AI features in SQL Server 2025
- Batch mode for faster query processing
- Azure Arc integration for hybrid setups
