SQL server and SQL Express instances are a way of having more than one SQL server running on a physical server or workstation.

SQL Server与SQL Express实例是在一个物理服务器或者工作站上运行多个SQL服务器的方式之一。

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SQL Server 2008 Express is a free edition of SQL Server that features core database functionality including all of the new SQL Server 2008 data types, in a small footprint.

SQL Server 2008 Express版是SQL Server的一个免费版本，它拥有核心的数据库功能，其中包括了SQL Server 2008中最新的数据类型，但它是SQL Server的一个微型版本。

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Even Microsoft is getting into the game with its Parallel Data Warehouse (PDW) that enables SQL Server customers evolve their SQL databases to Massively Parallel Processing (MPP) architecture to take advantage of commodity hardware.

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With the recent release of the Windows 8 Consumer Preview and Windows Server 8 beta, along with this week's launch of SQL Server 2012 and Windows Embedded Standard 8 CTP, Microsoft is offering a good look at a new, common set of technologies that spans specialized devices, servers, PCs and applications.

ENGADGET: Windows Embedded Standard 8 preview now available for download

My research work there was commercialized in SQL Server 2008 and 2012, which was very exciting.

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