Solved

MySQL: Randomly Return 1 or -1

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

SELECT FLOOR(RAND()*2) 

Open in new window

I want it to randomly select 1 or -1
0
Comment
Question by:hankknight
1 Comment
 
LVL 35

Accepted Solution

by:
Robert Schutt earned 500 total points
ID: 39154109
Try:
SELECT FLOOR(RAND()*2)*2-1

Open in new window

0

Featured Post

Ransomware: The New Cyber Threat & How to Stop It

This infographic explains ransomware, type of malware that blocks access to your files or your systems and holds them hostage until a ransom is paid. It also examines the different types of ransomware and explains what you can do to thwart this sinister online threat.  

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

This guide whil teach how to setup live replication (database mirroring) on 2 servers for backup or other purposes. In our example situation we have this network schema (see atachment). We need to replicate EVERY executed SQL query on server 1 to…
Popularity Can Be Measured Sometimes we deal with questions of popularity, and we need a way to collect opinions from our clients.  This article shows a simple teaching example of how we might elect a favorite color by letting our clients vote for …
Along with being a a promotional video for my three-day Annielytics Dashboard Seminor, this Micro Tutorial is an intro to Google Analytics API data.
Established in 1997, Technology Architects has become one of the most reputable technology solutions companies in the country. TA have been providing businesses with cost effective state-of-the-art solutions and unparalleled service that is designed…

772 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question