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.

The blueprint consists of:

    • The base blueprint that generates the scaffolding of the solution and tenant management.
    • An optional Unit tests blueprint for adding a test project to the solution, with basic fixtures.
    • An entity definition blueprint to help you create entities with extensible and flexible schemas.
    • A sample blueprint that demonstrates customization of entity schema and basic queries.

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For more information - http://www.codeplex.com/MTDA