# Dump database into a SQL-script file:
pg_dump {{db_name}} > {{output_file.sql}}

# Same as above, customize username:
pg_dump -U {{username}} {{db_name}} > {{output_file.sql}}

# Same as above, customize host and port:
pg_dump -h {{host}} -p {{port}} {{db_name}} > {{output_file.sql}}

# Dump a database into a custom-format archive file:
pg_dump -Fc {{db_name}} > {{output_file.dump}}

# Dump only database data into an SQL-script file:
pg_dump -a {{db_name}} > {{path/to/output_file.sql}}

# Dump only schema (data definitions) into an SQL-script file:
pg_dump -s {{db_name}} > {{path/to/output_file.sql}}

Create Postgres User

by yhuang Shell

createuser user_name

Dumping Postgres Database

by yhuang Shell

# Dump to sql file.
pg_dump -h host -U user dbname > dump.sql

# Dump using postgres compressed mode.
pg_dump -h host -U user -Fc dbname > dump.custom

# Dump to sql file compressed with gzip.
pg_dump -h host -U user dbname | gzip > dump.sql.gz

# Dump remote database through ssh.
ssh user@host -i sshkey "pg_dump -h dbhost -U dbuser dbname" > dump.sql

Import SQL file to Postgres DB

by yhuang Shell

cat dump.sql | psql -U dbuser dbname