Fix “Cannot insert the value NULL into column” in SQL Server (Error 515)
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Fix “Cannot insert the value NULL into column” in SQL Server (Error 515)
Encountering "Msg 515, Level 16" in SQL Server? This error occurs when you try to insert a NULL value into a column that has a NOT NULL constraint. In this tutorial, we look at why this happens with primary keys and regular columns, and how to resolve it using valid values or DEFAULT constraints. Read the full article here: https://database ...
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