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there are 2 variables called x and y ,x contains 1,2 and y
contains 3,4 we have to swap the values from x to y and y
to x with out using dummy variables and it can be done only
by using a single statement ? how?

Answer Posted / raji_4u

IF YOU WANT TO UPDATE THE TABLE,

UPDATE TABLE_NAME
SET X = Y, Y = X;

--------------------------
IF YOU WANT TO JUST DISPLAY,

SELECT Y X,X Y FROM TABLE_NAME;

ISN'T THIS SIMPLE THAN SANTHI.K DID.

Is This Answer Correct ?    5 Yes 7 No



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