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Dealing with NULL Values in SQL: How to Select Columns Conditionally
Learn how to handle `NULL` values in SQL queries effectively with a step-by-step approach to selecting phone numbers from two tables. --- This video is based on the question https://stackoverflow.com/q/74815518/ asked by the user 'KLR' ( https://stackoverflow.com/u/7606829/ ) and on the answer https://stackoverflow.com/a/74815563/ provided by ...
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