Eliminate empty columns in datasets with Power Query. Explore automated, reusable solutions for efficient and adaptable data cleaning.

So, if a date/time column can be unknown, it should be defined to be nullable because null is the only viable option for the recording of missing dates, times, and timestamps. Summary Nulls are one of ...

The difference is that the meaning of null is still conveyed without the potential need to know a column may be null and to write additional code in each query to ensure nulls are included.