How to backup in postgresql


   how to take PostgreSQL backup in local driver and restore also.please tell me easiest way of backup & restore.
Tamilarasu PAsked:
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Dan CraciunIT ConsultantCommented:
pg_dump dbname > outfile

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psql dbname < infile

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Tamilarasu PAuthor Commented:
out file means backup file name?.if i enter any file name without extension and quotes ?
Dan CraciunIT ConsultantCommented:
Yes, outfile is the backup file name.

In Windows is something like D:\backups\dailybackup20170331.sql
In Linux is something like /home/backups/dailybackup20170331.sql
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Tamilarasu PAuthor Commented:
If I run this command "pg_dump Test > TodayBAckup"  in my postgresql
 I got a this error message "'NoneType' object has no attribute 'connection'"
Dan CraciunIT ConsultantCommented:
Do you have a database called Test?
That error basically says it could not find (or could not access due to insufficient rights) a database called "Test".
Tamilarasu PAuthor Commented:
my database name was test
Dan CraciunIT ConsultantCommented:
test or Test?
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