Microsoft SQL Server is a relational database management system developed by Microsoft . As a database server , it is a software product with the primary function of storing and retrieving data as requested by other software applications which may run either on the same computer or on another computer across a network (including the Internet).
Microsoft markets at least a dozen different editions of Microsoft SQL Server, aimed at different audiences and for workloads ranging from small single-machine applications to large Internet-facing applications with many concurrent users .
MICROSOFT WINDOWS
Microsoft Windows is a group of several graphical operating system families, all of which are developed, marketed, and sold by Microsoft . Each family caters to a certain sector of the computing industry. Active Windows families include Windows NT and Windows Embedded ; these may encompass subfamilies, e.g. Windows Embedded Compact (Windows CE) or Windows Server . Defunct Windows families include Windows 9x , Windows Mobile and Windows Phone .
Microsoft introduced an operating environment named Windows on November 20, 1985, as a graphical operating system shell for MS-DOS in response to the growing interest in graphical user interfaces (GUIs). Microsoft Windows came to dominate the world’s personal computer (PC) market with over 90% market share , overtaking Mac OS , rs) show one third market share, similar to that for end user use.