Обсуждение: 答复: [GENERAL] Need Help
Maybe U can't get the disk usage info, but you can try command "explain"
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发件人: pgsql-general-owner@postgresql.org [mailto:pgsql-general-owner@postgresql.org] 代表 JM
发送时间: 2006年12月28日 10:43 MARK
收件人: pgsql-general@postgresql.org
抄送: Pgsql-Performance (E-mail)
主题: [GENERAL] Need Help
how can i get the disk usage for each table? can i do it via SQL?
Thanks,
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This should help you get the disk usage for a table:
select pg_size_pretty(pg_relation_size('tablename'));
---------------
Shoaib Mir
EnterpriseDB (www.enterprisedb.com )
select pg_size_pretty(pg_relation_size('tablename'));
---------------
Shoaib Mir
EnterpriseDB (www.enterprisedb.com )
On 12/28/06, 马庆 <ma.qing@staples.sh.cn> wrote:
Maybe U can't get the disk usage info, but you can try command "explain"
-----邮件原件-----
发件人: pgsql-general-owner@postgresql.org [mailto: pgsql-general-owner@postgresql.org] 代表 JM
发送时间: 2006年12月28日 10:43 MARK
收件人: pgsql-general@postgresql.org
抄送: Pgsql-Performance (E-mail)
主题: [GENERAL] Need Help
how can i get the disk usage for each table? can i do it via SQL?
Thanks,
Mailing-Lists
---------------------------(end of broadcast)---------------------------
TIP 4: Have you searched our list archives?
http://archives.postgresql.org/
---------------------------(end of broadcast)---------------------------
TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match
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What about empty space freed up by VACUUM?
On 12/28/06 03:11, Shoaib Mir wrote:
> This should help you get the disk usage for a table:
>
> select pg_size_pretty(pg_relation_size('tablename'));
- --
Ron Johnson, Jr.
Jefferson LA USA
Is "common sense" really valid?
For example, it is "common sense" to white-power racists that
whites are superior to blacks, and that those with brown skins
are mud people.
However, that "common sense" is obviously wrong.
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