how to backup and restore dabatase in PostgreSQL

Here i demostrate how to backup and restore dabatase in PostgreSQL

1)Backup data with pg_dump

pg_dump -i -h localhost -p 5432 -U postgres -F c -b -v -f 
"/usr/local/backup/10.70.0.61.backup" old_db

To list all of the available options of pg_dump , please issue following command.

pg_dump -?

-p, –port=PORT database server port number
-i, –ignore-version proceed even when server version mismatches
-h, –host=HOSTNAME database server host or socket directory
-U, –username=NAME connect as specified database user
-W, –password force password prompt (should happen automatically)
-d, –dbname=NAME connect to database name
-v, –verbose verbose mode
-F, –format=c|t|p output file format (custom, tar, plain text)
-c, –clean clean (drop) schema prior to create
-b, –blobs include large objects in dump
-v, –verbose verbose mode
-f, –file=FILENAME output file name

2) Restore data with pg_restore

pg_restore -i -h localhost -p 5432 -U postgres -d old_db -v 
"/usr/local/backup/10.70.0.61.backup"

To list all of the available options of pg_restore , please issue following command.

pg_restore -?

-p, –port=PORT database server port number
-i, –ignore-version proceed even when server version mismatches
-h, –host=HOSTNAME database server host or socket directory
-U, –username=NAME connect as specified database user
-W, –password force password prompt (should happen automatically)
-d, –dbname=NAME connect to database name
-v, –verbose verbose mode