1.

Which operator is used to check whether the expression is “NULL”?(a) IS NULL(b) NOT NULL(c) ON(d) None of the mentionedI had been asked this question during an interview.This intriguing question comes from Null: the Four Letter Word topic in chapter Nulls and Conditions and Miscellaneous of MySQL

Answer»

The CORRECT CHOICE is (a) IS NULL

The EXPLANATION: NONE.



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