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

In response to

• why the DB file size does not reduce when 'delete' the data in DB? at 2001-03-02 12:40:42 from Jaruwan Laongmal

Responses

• Re: [HACKERS] why the DB file size does not reduce when 'delete'the data in DB? at 2001-03-04 02:01:37 from xuyifeng

pgsql-hackers by date

Next:	From: Martin A. Marques	Date: 2001-03-02 12:36:02
	Subject: Re: why the DB file size does not reduce when 'delete' the data in DB?
Previous:	From: Ned Lilly	Date: 2001-03-02 02:03:27
	Subject: 7.2 tools (was: WAL's single point of failure: latest CHECKPOINT record)

pgsql-sql by date

Next:	From: Martin A. Marques	Date: 2001-03-02 12:36:02
	Subject: Re: why the DB file size does not reduce when 'delete' the data in DB?
Previous:	From: Laurent	Date: 2001-03-02 10:34:50
	Subject: lo_import for storing Blobs