Hi, does anybody knows how i can add a new column to Table1, where new column is made by substracting Col1 from table Table1 and Col2 from Table2. Here is the synthax:
mysql> alter table Table1 add select(x.Col1-y.Col2) as differentika from Table1 x,Table2 y where x.Col3=y.Col3; Col3 is a primary key by Table2 Thanks! Tatjana ______________________________________________________ Yahoo! for Good Donate to the Hurricane Katrina relief effort. http://store.yahoo.com/redcross-donate3/ -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED]