Geeta wants to know the usage of NULL in MySQL. Help her choose in which of the following case NULL value cannot be assigned to the column Admission Number: a. When the Admission Number is zero b. When the Admission Number is not known c. When the Admission Number is not available d. When the Admission Number is not applicable

Geeta wants to know the usage of NULL in MySQL. Help her choose in whi

1.	Geeta wants to know the usage of NULL in MySQL. Help her choose in which of the following case NULL value cannot be assigned to the column Admission Number: a. When the Admission Number is zero b. When the Admission Number is not known c. When the Admission Number is not available d. When the Admission Number is not applicable
Answer» Correct option: a. When the Admission Number is zero

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