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SQL Tutorial for Data Analysis 13: IS NULL Operator

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SQL Tutorial for Data Analysis 13: IS NULL Operator

In this SQL tutorial we’re going to learn how to use the IS NULL operator. This operator, as you're about to see - allows us to search for fields with no value. Key concepts to remember - * NULL indicates an empty, unavailable or unassigned value. NULL value does not equal to zero (0), or space (‘ ‘). Null simply means a field with no ...

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