Microsoft SQL Server Compact 3.5 for Windows Mobile

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SQL Server Compact 3.5 is a small footprint in-process database engine that allows developers to build robust applications for Windows Desktops and Mobile Devices. This download contains the CAB files and DLL’s that are used to install SQL Server Compact 3.5 on the Windows Mobile Devices platform
  • Version:


    File Name:


    Date Published:


    File Size:

    21.3 MB

      SQL Server Compact 3.5 for Devices Windows Installer contains the CAB files and DLL’s for installation on the Windows Mobile platform. When compared to its previous release, SQL Server Compact 3.5 includes a host of new features including the following:
      • Side-by-side installation together with SQL Server 2005 Compact Edition (version 3.1)
      • Support for newer and more secure encryption algorithms
      • Additional timestamp (rowversion) data type

      • Enhanced support for Transact-SQL statements including:
        • Nested query in FROM clause
        • CAST and DECIMAL
        • TOP
      For more information please see the SQL Server Compact 3.5 Books Online

      Post feedback and questions to SQL Server Compact 3.5 MSDN Forum

      For tips and tricks visit Steve Lasker blog and SQL Server Compact blog

      Support Options:
      Your feedback is important to us.
      • If you have questions about SQL Server Compact, visit the SQL Server Compact MSDN Forum

      • Help improve SQL Server Compact by submitting and tracking bugs using Microsoft Connect website. Be sure to select SQL Server Compact as the version and provide detailed repro steps to help us identify the problem

      • Contact Microsoft Professional Support. For deeper support needs, purchase a Professional Support package and have experts available 24 hours a day, seven days a week, and 365 days a year

      • Find out what support options are available if you are located outside the United States or Canada at Worldwide Support Options

      • Search the Knowledge Base Articles. Get the answers you need about SQL Server Compact from the Microsoft Knowledge Base. This is the same database of technical articles used by Microsoft Support Professionals

      • To participate in the future SQL Server Compact Technology Adoption Program (TAP), please send us an email
  • System Requirements
    Supported Operating System

    Windows CE, Windows Mobile 2003 software for Pocket PCs , Windows Mobile 5.0, Windows Mobile 6, Windows Server 2003, Windows Vista, Windows XP Service Pack 2

      Development Computer
      • 48 MB of available hard disk space. (An additional 48 MB of space must be also available for temporary setup files.)

      • Microsoft Internet Explorer 6.0 or later

      • Active Sync 4.0 or later

      • Visual Studio 2008

      Windows Mobile Devices
      • Any device that runs Microsoft Windows CE 4.2, Windows CE 5.0, Windows CE 6.0, Windows Mobile 2003 Software for Pocket PC, Windows Mobile 5.0, or Windows Mobile 6.0

      • 2–3 MB of available storage space on the Windows Mobile Device, depending on processor type, operating system version, and components installed.

      1. Click the Download button on this page to start the download, or choose a different language from the drop-down list and click Go.
      2. Do one of the following:
        • To start the installation immediately, click Open or Run this program from its current location.
        • To copy the download to your computer for installation at a later time, click Save or Save this program to disk.
      • SQL Server Compact 3.5 is freely redistributable under a redistribution license agreement that requires registration. Independent software vendor (ISV) or solution integrator (SI) shipping applications using SQL Server Compact 3.5 must register for redistribution rights. Registering will help the ISV/ SI in getting information about SQL Server Compact critical security patches and hot fixes. The SQL Server Compact critical security patches and hot fixes have to be applied to the client installations by the ISV/ SI. For more information visit the registration page for SQL Server Compact 3.5 redistribution rights
      • Prior to installing the released version of SQL Server Compact 3.5 for Devices, uninstall all earlier versions of SQL Server Compact 3.5 for Devices CTP or Beta by using the Add/Remove Programs in the Control Panel.

      • Microsoft Visual Studio 2008 installs SQL Server Compact 3.5 for Devices if the Smart Device Programmability option is selected in Visual Studio 2008. If you have already installed Visual Studio 2008 than you don't need to separately download and install SQL Server Compact 3.5 for Devices.

      • The package installs SQL Server Compact 3.5 for Devices in %Program Files%\Microsoft SQL Server Compact Edition\v3.5\Devices folder
      • For replicating data between SQL Server Compact 3.5 or SQL Server 2005 Compact Edition and SQL Server 2005 (or later versions of SQL Server 2005) install SQL Server Compact 3.5 Server Tools on the IIS server
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