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This article explains how Microsoft Dynamics 365 for Operations has transitioned from using SQL Server Analysis Services (SSAS) cubes to in-memory, real-time aggregate models for analytics.
The world is moving to real-time, proactive analytics. Reporting and trending on historical data is being replaced by up-to-the-second visualizations and proactive guidance. In-memory, real-time aggregate models now replace the perspectives that were previously used for analytics.
A historical look at perspectives and cubes
We envision embedded insights playing a key role in the Microsoft Dynamics 365 for Operations user experience. This vision has driven us to invest in building analytic capabilities within the product. In Dynamics AX 4.0, we introduced the concept of perspectives. The objective was to present a simpler view of the ERP schema, specifically modeled for reporting. This simpler view was referred to as perspectives. In Dynamics AX 4.0, the system generated reporting models (SMDL models) that enabled you to create ad-hoc reports with SQL Server Report Builder. In Dynamics AX 2009, we added the capability to generate SQL Server Analysis Services (SSAS) projects using metadata definitions in perspectives. These projects become cubes when deployed to an SSAS server. In Dynamics AX 2012, we improved modeling in perspectives and improved tooling support for managing the lifecycle of SSAS projects. You could use Excel, as well as Power View, to explore data and create reports with cubes in Dynamics AX 2012. The SMDL technology was also deprecated. In Dynamics AX 2012, we stopped generating SMDL models.
How perspectives are used now
As a developer, your “contract” with the system was a perspective. The system generated “stuff” to help you achieve your end goal. In Dynamics AX 2012, the "stuff” that was generated was SSAS projects. So the contract between you (the developer) and the system (the BI framework), was as follows:
- You modeled perspectives.
- The system generated the "stuff" needed to enable you to build visuals and reports.
Perspectives are now modeled using Dynamics 365 for Operations add-ins for Visual Studio. (Visual Studio is now the development environment.) Perspectives are comprised of aggregate measurements and aggregate dimensions. As a developer, you have the ability to model simpler schemas for answering business questions using aggregate measurements and aggregate dimensions. Aggregate measurements can be used to define data entities (called aggregate data entities) which can be directly bound to Dynamics 365 for Operations forms as a data source. Aggregate data entities can also be used to
- Expose data to PowerBI.
- Access data programmatically using the AXQuery object.