A union is designed to integrate two+ result sets into one. Can you not just join the tables together and perform a sum in the select clause?
>>>>>>>>>>>>>>>>>> Original Message <<<<<<<<<<<<<<<<<< On 3/2/04, 3:46:30 PM, Lorderon <[EMAIL PROTECTED]> wrote regarding UNION: > Hello All, > I want to sum a column from several tables while using UNION.. something > like this: > (SELECT SUM(price) FROM table1) > UNION > (SELECT SUM(price) FROM table2) > This results in 2 rows that sums each table seperatedly.. but I want to sum > the column from both tables together.. > I usually have more than 2 tables to sum, and I sum different tables every > time, so I can't define merge tables on every combination.. > Is there a way to sum the column from all tables together? > thanks in advance, > -Lorderon. > -- > MySQL General Mailing List > For list archives: http://lists.mysql.com/mysql > To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED] -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED]