After defining a model in a SQL Server Analysis Services Tabular project, the schema in an underlying data source may change. These changes are not automatically detected or updated in a project.
With multidimensional projects you can open the DataSource View right click on "refresh" to get the updates. However, I don't see similar functionality in tabular projects.
How can you update an Analysis Services tabular model with the changes in the data source?
Follow these steps to update the model after the underlying database changes: