High Quality Content by WIKIPEDIA articles! Microsoft SQL Server Compact (SQL CE) is a compact relational database produced by Microsoft for applications that run on mobile devices and desktops. Prior to the introduction of the desktop platform, it was known as SQL Server for Windows CE and SQL Server Mobile Edition. The latest release is the SQL Server Compact 4.0 supporting .NET Framework 4.0, and dropping support for Windows Mobile in this release. It includes both 32-bit and 64-bit native support. SQL CE targets occasionally connected applications and applications with an embedded database. It is free to download and redistribute.