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Rekha IyengarUX Design Techdegree Student 9,131 Points
What am I missing
SELECT last_name FROM phone_book WHERE phone IS NOT NULL;
Shayan Khan9,842 Points
This Worked for me:
SELECT * last_name FROM phone_book WHERE last_name IS NOT NULL;
Hope that helps out.
Not sure what the question is but if its the one I think it is, its asking you to return everything WHERE phone IS NOT NULL not just last_name.
If that is the case it should be:
SELECT * FROM phone_book WHERE phone IS NOT NULL;