Microsoft SQL Server R2 Express with Service Pack 2 is a free and feature- rich database for developing and deploying SQL Server R2. SQL Server Express is a free copy of Microsoft SQL Server that can be installed on your PC. SQL Server Express Edition is a free, easy- to- use, lightweight, and embeddable version of SQL Server.
Free to download, free to redistribute, free to embed, and easy for new developers to use immediately. If your current installed version is.