Selecting Null columns

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Hi everyone

I am a new user of this mail list and I hope that it will be helpful.

I am trying to show the content of a MySQL table(raw) where the content of a column is NOT NULL. I used the commands below but the result shows the content of the whole table for the first case and nothing in the second case.

 SELECT * FROM questions WHERE answer IS NOT NULL ;
 SELECT * FROM questions WHERE answer <> NULL ;

Thanks in advance


Nicolaou Pambos

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