How to update table set column = null where column = '' without error of MySQL server version for the right syntax to use near '''' at line 1

How to update table set column = null where column = in mysql?

I always got error of 1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '''' at line 1

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Method 1

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Method 1

You should use '\' 


update students set firstname = null where firstname = '\'

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