Re: backup
| От | Abbas |
|---|---|
| Тема | Re: backup |
| Дата | |
| Msg-id | bb2cdf790906092302l162db47dm4f60d4e9bf50f9d5@mail.gmail.com обсуждение исходный текст |
| Ответ на | Re: backup ("Jyoti Seth" <jyotiseth2001@gmail.com>) |
| Список | pgsql-sql |
On Wed, Jun 10, 2009 at 10:38 AM, Jyoti Seth <jyotiseth2001@gmail.com> wrote:
Use copy command as follows if the OS is Linux,
postgres=# copy (select * from test where setid>20) to '/var/tmp/t2.dmp';
COPY 3
postgres=# \q
-bash-3.1$ cat /var/tmp/t2.dmp
1234 22 1 2009-01-08 00:00:00 dup1-2
9876 21 1 2009-01-10 00:00:00 dup2-1
1 21 1 2009-01-10 00:00:00 dup2-1
If it is Windows, use can use as,
postgres=# copy (select *from test where a<6) to 'C:/Program Files/PostgreSQL/8.3/data/samp.sql';
COPY 9
Thanks,
Abbas
EnterpriseDB
I tried using /copy command. It is not giving any error but also not
creating any file.
Thanks
Jyoti
Use copy command as follows if the OS is Linux,
postgres=# copy (select * from test where setid>20) to '/var/tmp/t2.dmp';
COPY 3
postgres=# \q
-bash-3.1$ cat /var/tmp/t2.dmp
1234 22 1 2009-01-08 00:00:00 dup1-2
9876 21 1 2009-01-10 00:00:00 dup2-1
1 21 1 2009-01-10 00:00:00 dup2-1
If it is Windows, use can use as,
postgres=# copy (select *from test where a<6) to 'C:/Program Files/PostgreSQL/8.3/data/samp.sql';
COPY 9
Thanks,
Abbas
EnterpriseDB
-----Original Message-----
From: pgsql-sql-owner@postgresql.org [mailto:pgsql-sql-owner@postgresql.org]
On Behalf Of Jasen Betts
Sent: Tuesday, June 09, 2009 6:03 PM
To: pgsql-sql@postgresql.org
Subject: Re: [SQL] backup
On 2009-06-09, Jyoti Seth <jyotiseth2001@gmail.com> wrote:
> This is a multipart message in MIME format.
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> Hi all,
>
>
>
> Can we take backup of specific data of a table (using where clause)?
in psql:
/copy (select * from table WHERE condition ) to 'FILENAME'
requires postgres version >= 8.2 IIRC.
you can use any query.
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