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Microsoft COM+ IMDB
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<h2 id="competition">Competition</h2> <p>However, soon after the rollout of <a href="/facts/Windows_2000/amJIt9gz">Windows 2000</a>, several already delivering IMDB vendors had come forward with main-memory database systems that run on 32-bit Windows NT systems. <a href="/facts/TimesTen/B9EXALPX">TimesTen</a> Performance Software—a Hewlett-Packard Co. spin-off—offered a main-memory database for Windows NT and Unix. Angara Database Systems Inc. also had demonstrated an RDBMS. Empress Software Inc.’s Empress RDBMS for Windows NT intermixed main memory and disk storage mechanisms to achieve increased speed. </p> <h2 id="demise">Demise</h2> <p>Microsoft's <a href="/facts/COM%2B/2DtIAufW">COM+</a> division's IMDB solution never made it past <a href="/facts/Windows_2000/amJIt9gz">Windows 2000</a> Beta release, because it was squelched by Microsoft's <a href="/facts/Microsoft_SQL_Server/eCdt2JBL">SQL Server</a> division for several reasons: </p> <ul><li>Initial tests showed that Microsoft's IMDB performed better with Oracle7 and <a href="/facts/Oracle8/FHv5g732">Oracle8</a> than with Microsoft's products SQL Server 6.5 and <a href="/facts/SQL_Server_7.0/xtxKIrun">SQL Server 7.0</a> and <a href="/facts/ADO.NET/j8ynkv5q">ADO</a>.</li> <li>It was a <a href="/facts/Skunkworks_project/vutdMFEN">skunkworks</a> project produced by Microsoft's COM+ division, and Microsoft's SQL Server division had more political clout.</li> <li>Proven competition <a href="/facts/TimesTen/B9EXALPX">TimesTen</a></li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>"Vendors Move on 32-Bit Main-Memory Databases -- Enterprise Systems". April 1999. Retrieved 14 July 2012. <a href="http://esj.com/articles/1999/04/07/vendors-move-on-32bit-mainmemory-databases.aspx" target="_blank">http://esj.com/articles/1999/04/07/vendors-move-on-32bit-mainmemory-databases.aspx</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>"Vendors Move on 32-Bit Main-Memory Databases -- Enterprise Systems". April 1999. Retrieved 14 July 2012. <a href="http://esj.com/articles/1999/04/07/vendors-move-on-32bit-mainmemory-databases.aspx" target="_blank">http://esj.com/articles/1999/04/07/vendors-move-on-32bit-mainmemory-databases.aspx</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> </ol>