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Database

PostgreSQL

/ database / PostgreSQL

# Backup & Restore

# Backup

Backup one database

pg_dump DATABASE_NAME > /PATH/TO/DUMPFILE.sql

Backup entire cluster

pg_dumpall > /PATH/TO/DUMPFILE_ALL.sql

# Restore

Restore one database

psql DATABASE_NAME < /PATH/TO/DUMPFILE.sql

Restore entire cluster

psql -f /PATH/TO/DUMPFILE_ALL.sql postgres

# Management

# List Databases

psql --list \
    --host HOSTNAME \
    --port PORT \
    --username USER \
    --password

# In the psql Shell

\l  # List databases
\du # List users
\dt # List tables in connected database
\dn # List of schemas

\c DATABSE  # To connect to database
\d TABLE    # To get information about specific table

\q  # Exit the Shell

# Set Permission

# Alter Database Owner
ALTER DATABASE database OWNER TO username;

# Reassign (Change) Table Owner
REASSIGN OWNED BY avnadmin to mautrix

# Add Gropu to user
GRANT group_role TO role

# Remove Group from User
REVOKE group_role FROM role

# Update user password
ALTER ROLE username WITH PASSWORD 'ExamplePassword';

# Update global permission
ALTER ROLE username WITH 

# Add all permission on database to user
GRANT ALL ON DATABASE database TO username;
GRANT ALL PRIVILEGES ON DATABASE database TO username;
GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA public TO username;
GRANT ALL PRIVILEGES ON ALL SEQUENCES IN SCHEMA public TO username;

Last Update: 2024-11-27 23:16:23 Source File