Write a sql query to add column's value , containing null values also in records. But the sum of the added columns must be numeric only. Output cannot be null. It can be achieve by two ways. SELECT ...

By default, a null value in a column maps to the absence of the attribute, node, or element. This default behavior can be overridden by using the ELEMENTS XSINIL keyword phrase. This phrase requests ...

The last thing to say is that there is no supported way in Power BI or Power Query to treat a nullable column as if it was not nullable. If you have a nullable column and the extra SQL to handle those ...

When running a query where the result has a null time column druid will silently fail with a null pointer exception. Steps to reproduce Turn on SQL null handling using ...