The Is Nullable Column Property In Power BI

The new Relationships view (or Modeling view – it seems to have two names) in Power BI Desktop that has been in preview since November 2018 not only makes it easier to work with complex models and set properties more easily, it also exposes a brand new property on a column: the “Is nullable” property. It’s visible at the bottom of the new Properties pane when you click on a column:

Bron : Chris Webb’s BI Blog
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