http://www.codeplex.com/MTDA/Wiki/View.aspx?title=HomeMTDA Wiki Rss Descriptionhttp://www.codeplex.com/MTDA/Wiki/View.aspx?title=Home&version=5<div class="wikidoc"> <img src="http://i3.codeplex.com/Project/Download/FileDownload.aspx?ProjectName=MTDA&amp;DownloadId=39041" alt="logo.png" /><br /> <br /><h1> Multi-Tenant Data Access Blueprint </h1> <br />The Multi Tenant Data Access (MTDA) Blueprint, part of the Software-plus-Services Blueprint program, provides guidance on writing a SQL Server based, single instance, multi-tenant data access layer similar to that used in <a href="http://www.codeplex.com/Litwarehr" class="externalLink">LitwareHR<span class="externalLinkIcon"></span></a> sample application (SQL Server version).<br /> <br />This blueprint uses the &quot;extension table&quot; design pattern, where two databases are created: <b>TenantMetaData</b> that holds tenant entity definitions together with cross-tenant information, and <b>TenantData</b> to store actual instances:<br /> <br /><img src="http://i3.codeplex.com/Project/Download/FileDownload.aspx?ProjectName=MTDA&amp;DownloadId=39042" alt="Aa479086_mlttntda14(en-us,MSDN_10).gif" /><br /> <br /> <br />The blueprint consists of:<br /> <br /><ul> <li>The <b><i>base</i></b> blueprint, that generates the scaffolding of the solution and tenant management.</li><li>An optional <b><i>Unit tests</i></b> blueprint for adding a test project to the solution, with basic fixtures.</li><li>An <b><i>entity</i></b> definition blueprint to help you create entities with extensible and flexible schemas.</li><li>A <b><i>sample</i></b> blueprint that demonstrates customization of entity schema and basic queries.</li> </ul> <br /><b>This Blueprint is being upgraded to work with the Microsoft Blueprints Manager</b><br /> <br /><h2> Related projects and articles: </h2><ul> <li><a href="http://www.codeplex.com/LitwareHR/Release/ProjectReleases.aspx?ReleaseId=8440" class="externalLink">LitwareHR data access performance guide<span class="externalLinkIcon"></span></a></li><li><a href="http://msdn.microsoft.com/en-us/architecture/aa479086.aspx" class="externalLink">Multi-Tenant Data Architecture<span class="externalLinkIcon"></span></a></li><li><a href="http://www.codeplex.com/Litwarehr" class="externalLink">LitwareHR sample application<span class="externalLinkIcon"></span></a></li><li><a href="http://www.codeplex.com/blueprints" class="externalLink">Microsoft Blueprints manager<span class="externalLinkIcon"></span></a></li> </ul> </div>mglehmanWed, 29 Oct 2008 02:14:06 GMTUpdated Wiki: Home 20081029021406A