>I have a table (table1) which has 4 columns, I want to copy all the >contents of col1 into col2. >Col3 is the primary unique key, so the copy has to keep the data matched >with col3.
Sounds like what you want to do is update table1 set col2 = col1; which will copy the contents of col1 in each record to col2. Brad Eacker ([EMAIL PROTECTED]) -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED]