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MySQL: Randomly Return 1 or -1

Posted on 2013-05-09
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Last Modified: 2013-05-13
This randomly returns 1 or 0.

SELECT FLOOR(RAND()*2) 

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I want it to randomly select 1 or -1
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Question by:hankknight
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Robert Schutt earned 500 total points
ID: 39154109
Try:
SELECT FLOOR(RAND()*2)*2-1

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