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Title
Setting attibutes to be nullable. -
Description
If you add a unique key on a table. And then add this key, the Attributes composing this key pass automatically in Not Null.
Add this key, in the entity properties, add keys and select attributes. Press OK to create the key, all attributes moves automatically as Not Null.
When tested directly in SQL Server, it is possible to add table with attributes null in a key.
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