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Brief Introduction about Models and Model Store [AX2012]

21 Mar

I found the no. of posting related to this from different materials but below is clearly understood explanations.
Basic Info:
Models were introduced in Microsoft Dynamics AX to help partners and customers more easily install and maintain multiple solutions side by side in the same layer. This topic introduces the concept of models, and describes how models relate to layers and label files. This topic also describes the model store, which is the part of the Microsoft Dynamics AX database in which models are stored.
Models:
A model is a set of elements in a given layer. Each layer consists of one or more models. Each layer contains one system-generated model that is specific to that layer. Every element in a layer belongs to only one model. In other words, no element can belong to two models in the same layer, and every element must belong to a model.

A model is permanently associated with the layer that is created in. If you need to move one of your models from one layer to another, you must create a project from the model in the AOT, export the project as an xpo file, create a target model in the desired layer, delete the original model to avoid having to resolve layer conflicts, and import the xpo file to the target model. If you are moving elements between models in the same layer, you can use the Move to model command in the AOT.

ModelStore:

Models are stored in the model store. The model store is the part of the Microsoft Dynamics AX database in which all application elements for Microsoft Dynamics AX are stored. Customizations are also stored in the model store. The model store replaces the Application Object Data (AOD) files that were used in earlier versions of Microsoft Dynamics AX. Models that have been installed in the model store are used at run time.

Note: Models can be exported to files that have the .axmodel extension. These files are called model files.

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Posted by on March 21, 2015 in Uncategorized

 

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