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?
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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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