----- Original Message ----- From: The Hermit Hacker <[EMAIL PROTECTED]> To: Jaruwan Laongmal <[EMAIL PROTECTED]> Cc: <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]> Sent: Friday, March 02, 2001 8:04 PM Subject: Re: [HACKERS] why the DB file size does not reduce when 'delete'the data in DB? > On Fri, 2 Mar 2001, Jaruwan Laongmal wrote: > > > I had deleted a very large number of records out of my SQL table in order to > > decrease the harddisk space. But after I use command 'ls -l > > /usr/local/pgsql/data/base/', it is found that the size of concerning files > > do not reduce due to the effect of 'delete' SQL command. What should I do > > if I would like to decrease the harddisk space? > > VACUUM > > could anyone remove this nasty bug in 7.2? this is already a big pain and is the reason why am I still using MySQL in my product server. another nasty thing is it does not allow me to reference table in another database. sigh. Regards, XuYifeng ---------------------------(end of broadcast)--------------------------- TIP 3: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly