If you have enough disk space, create a temporary table with the four new
columns. Insert into this table selecting records from the original table.
Finally rename the tables.
Hope this helps.
From: Ehrwin Mina [mailto:ehrwin@stripped]
Sent: Monday, September 25, 2006 12:35 PM
To: Helen M Hudson; MySQL List
Subject: Re: adding columns to a large table
At 12:53 PM 9/25/2006, Helen M Hudson wrote:
>I have a table with about 3million rows and I'm having trouble
>altering it to add 4 more columns. I'm using the MySQL
>Administrator and I've left it more than 24hours and its still not
>finished. I was going to try using a login to the console next, but
>is there a better way? Any advice much appreciated!
>MySQL General Mailing List
>For list archives: http://lists.mysql.com/mysql
>To unsubscribe: http://lists.mysql.com/mysql?unsub=1
I would like to know what type of engine your using in mysql?
Is it mysisam or innodb?
Ehrwin C. Mina
MySQL General Mailing List
For list archives: http://lists.mysql.com/mysql
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