In the last episode (Aug 29), suresh said: > I changed from mysql 3.23.49 -nt to 4.0.2 max to make use of union > > But one problem when trying to join tables is that UNION works only > for SELECT queries with same number of coulmns. Is there any way to > join 3 or more tables having different columns using UNION? I am > writing my query during the runtime. Since the user can select any > number of fileds from a particular table and also I am using LEFT > JOIN, I can't make all the tables having same number of fields.
You can easily add dummuy colums to the queries that are missing columns. SELECT name, "N/A" from table1 UNION SELECT name, address from table2; -- Dan Nelson [EMAIL PROTECTED] --------------------------------------------------------------------- Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail <[EMAIL PROTECTED]> To unsubscribe, e-mail <[EMAIL PROTECTED]> Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php