Free Sql Server ((exclusive)) -

(Best for learning & development)

Includes the core database engine and fundamental programmability features. free sql server

Check it out here: [Link to Microsoft Download Page] (Best for learning & development) Includes the core

It includes every single feature of the Enterprise version. The only rule: You can't host a production site on it. SQL Server Integration Services (SSIS)

Includes advanced features like high availability, SQL Server Integration Services (SSIS), and Analysis Services (SSAS) which are missing from the Express edition. Scale Limits: No hard database size limits (up to 524 PB).