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ru compare the 2 null values?

Question Posted / prasadhari_m@yahoo.com

Answers were Sorted based on User's Feedback



ru compare the 2 null values?..

Answer / prathiba

U can compare the two null values, by using these operators

IS NULL: operator returns true of column value is NULL.

IS NOT NULL: operator returns true of column value is not
NULL.

<=> operator compare values, which (unlike the = operator)
is true even for two NULL values

Is This Answer Correct ?    2 Yes 1 No

ru compare the 2 null values?..

Answer / vignesh lakshmirajan

IMPOSSIBLE...!!!!

WE CAN'T COMPARE TWO NULL VALUES
COZ NULL MEANS "THE VALUE IS UNKNOWN";
SO WE CANT COMPARE THE UNKNOWN VALUES....

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