At 9:55 -0700 9/23/02, neal wrote: >Thanks for the suggestion but this would actually create a new table, >correct (the first statement that is)? I just want a resultset with these >values, without writing to disk.
Then you must upgrade to 4.x so that you have UNION support. Either that, or write a client program that issues multiple SELECT statements and buffers the results in memory. What's your objection to creating the new table? Just delete it when you're done with it. > >On another note, yeah youre right not a different connection object, but I >presume I would need to run two seperate queries and recieve back two >seperate resultsets. > >Neal > > >-----Original Message----- >From: Paul DuBois [mailto:[EMAIL PROTECTED]] >Sent: Monday, September 23, 2002 9:21 AM >To: neal; mySQL >Subject: RE: multi-table select (not a join) > > >At 0:23 -0700 9/23/02, neal wrote: >>Oh man! >> >>Yeah, you're right. That's exactly what I want but apparently it wasn't >>implemented until v4??!?!?! > >Right. > >> >>What did people do prior to version 4 when needing to query multiple >tables? >>Just endure the overhead of multiple connections to the database? > >Not sure why you'd need multiple *connections*. You can use multiple >*queries*, for example like this: > >CREATE TABLE tmp SELECT ... FROM t1 ... >INSERT INTO tmp SELECT ... FROM t2 ... >INSERT INTO tmp SELECT ... FROM t3 ... > >At the end of this, tmp will be the same as if you'd done UNION. >More precisely, as if you'd done UNION ALL, because duplicates won't >be removed. To remove them, use SELECT DISTINCT when retriving from >tmp. > >> >>Thanks. > >Neal --------------------------------------------------------------------- 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
