DATAllegro

DATAllegro was a company that specialized in data warehousing appliances. It was founded by Stuart Frost in 2003 inspired by and as a competitor to Data warehouse appliance pioneer Netezza.[http://www.beyeblogs.com/DATAllegro/archive/2008/04/who_i_am_and_why_im_here.php DATAllegro founder Stuart Frost on DATAllegro] DATAllegro - like Netezza - used open source software stack (Ingres DBMS running on Linux). Microsoft announced it had acquired DATAllegro as of September 2008.{{cite web|url=https://news.microsoft.com/2008/09/16/microsoft-closes-acquisition-of-datallegro

|title=Microsoft Closes Acquisition of DATAllegro

|date=Sep 16, 2008

}} SQL Server Parallel Data Warehouse (PDW) is the successor product to DATAllegro on Windows Server using a version of the SQL Server database engine.{{cite web

|url=http://blogs.technet.com/b/dataplatforminsider/archive/2010/04/02/microsoft-ships-the-final-technology-preview-for-sql-server-2008-r2-parallel-data-warehouse.aspx

|title=Microsoft ships the final Technology Preview for SQL Server 2008 R2 Parallel Data Warehouse

|quote=DATAllegro technology as Parallel Data Warehouse now runs on Windows Server and SQL Server

|date=2 Apr 2010

}}