If your specs are that specific (IDs must be between 1 and 99)
then you could create a 99-row table with one integer column and
prefill it with the numbers 1 to 99 in random order.
Then you could write a function that would select and return the first
number in the table, then delete
-Original Message-
From: Jim Lyons [mailto:jlyons4...@gmail.com]
Sent: May 28, 2010 11:49 AM
To: Andre Matos
Cc: mysql@lists.mysql.com
Subject: Re: Using RAND to get a unique ID that has not been used yet
If your specs are that specific (IDs must be between 1 and 99)
then you could create
[mailto:jlyons4...@gmail.com]
Sent: May 28, 2010 11:49 AM
To: Andre Matos
Cc: mysql@lists.mysql.com
Subject: Re: Using RAND to get a unique ID that has not been used yet
If your specs are that specific (IDs must be between 1 and 99)
then you could create a 99-row table with one integer
-Original Message-
From: Jim Lyons [mailto:jlyons4...@gmail.com]
Sent: Friday, May 28, 2010 11:49 AM
To: Andre Matos
Cc: mysql@lists.mysql.com
Subject: Re: Using RAND to get a unique ID that has not been used yet
If your specs are that specific (IDs must be between 1 and 99)
then you
-Original Message-
From: Andre Matos [mailto:andrema...@mineirinho.org]
Sent: Friday, May 28, 2010 1:44 PM
To: Steven Staples
Cc: mysql@lists.mysql.com
Subject: Re: Using RAND to get a unique ID that has not been used yet
It seems to be a good approach, although I was trying to get
...@mineirinho.org
On 2010-05-28, at 1:51 PM, Jerry Schwartz wrote:
-Original Message-
From: Andre Matos [mailto:andrema...@mineirinho.org]
Sent: Friday, May 28, 2010 1:44 PM
To: Steven Staples
Cc: mysql@lists.mysql.com
Subject: Re: Using RAND to get a unique ID that has
On Fri, May 28, 2010 at 11:38 AM, Andre Matos andrema...@mineirinho.org wrote:
I have a table that uses auto_increment to generate the Id automatically
working fine.
However, I need to create a new table where the Id must be a number generated
randomly, so I cannot use the auto_increment.
-
From: Jerry Schwartz je...@gii.co.jp
To: 'Andre Matos' andrema...@mineirinho.org; 'Steven Staples'
sstap...@mnsi.net
Cc: mysql@lists.mysql.com
Sent: Friday, May 28, 2010 6:51 PM
Subject: RE: Using RAND to get a unique ID that has not been used yet
-Original Message-
From: Andre Matos
You have to have MySQL 3.23 or greater..
http://www.mysql.com/doc/M/a/Mathematical_functions.html
Gurhan
-Original Message-
From: Cummings, Shawn (GNAPs) [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, May 07, 2002 11:33 AM
To: [EMAIL PROTECTED]; Ulf Harnhammar
Cc: [EMAIL PROTECTED]
Subject:
: [EMAIL PROTECTED]
Sent: Tuesday, May 07, 2002 5:11 PM
Subject: RE: Using RAND()
You have to have MySQL 3.23 or greater..
http://www.mysql.com/doc/M/a/Mathematical_functions.html
Gurhan
-Original Message-
From: Cummings, Shawn (GNAPs) [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, May 07
At 11:32 -0400 5/7/02, Cummings, Shawn (GNAPs) wrote:
The RAND() syntax does not appear to be working for me.
What version mySQL is required?
3.23.2. Prior to that, use
SELECT something, any_col*0+RAND() AS r FROM sometable
WHERE ... ORDER BY r LIMIT 10
At 04:43 PM 1/29/2002 +0200, Michael
Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, May 07, 2002 12:55 PM
To: [EMAIL PROTECTED]
Subject: Re: Using RAND()
Hi
When I used the RAND() function (MySQL 3.23.45) I found the results were not
very random, instead I use an extra bit of php code to make sure
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