PostgreSQL: CREATE USER

create user, creates a new user in PostgreSQL

• Official documentation: https://www.postgresql.org/docs/13/sql-createuser.html

Examples

• create user your_username

Create a new user

create user your_username;
Output:
CREATE ROLE

create user your_username;
Output:
ERROR:  permission denied to create role

Create a new user with errors

create user your.username;
Output:
ERROR:  syntax error at or near "."

create user your_username;
ERROR:  cannot execute CREATE ROLE in a read-only transaction

Create a new user and assign a password

CREATE USER your_username WITH ENCRYPTED PASSWORD 'your_pass';
Output:
CREATE ROLE

CREATE USER your_username WITH ENCRYPTED PASSWORD 'your_pass';
Output:
ERROR:  role "your_username" already exists
Solution:
ALTER USER user_name WITH PASSWORD 'new_password';

Assign a role with GRANT command:
GRANT your_defined_role TO your_username;
Output:
GRANT ROLE

• List users: \du

Related terms

• Create database (PostgreSQL)
• ALTER USER YOUR_USER WITH PASSWORD 'your_new_password';
• sudo -u postgres psql
• GRANT
• Connect to a database
• Show databases
• Create database
• Delete database
• Create user
• List users
• List databases
• List tables: show tables
• GRANT
• CREATE

See also

• PostgreSQL: psql, .psqlrc, .pgpass, $HOME/.pg service.conf, -U, -W, -d, meta-commands: \du, \dg, \ddp, \dp, \list, \dn, \dt, \c, \l, \di, \q, show users, show, su - postgres, psql -c, \?, \connect, \conninfo, --version, --help, PL/pgSQL
• SQL, NewSQL, RDMS: GraphQL (2015), SQLite, select, insert, select count, Distributed SQL, TablePlus, Cache hit ratio, pg_stat_user_tables, EXPLAIN, Index (PostgreSQL), DDL, SQL/MED, Group by, List users, SQL Injection, SQLAlchemy, CREATE USER, CREATE ROLE, EXPLAIN, ALTER DATABASE, REVOKE, NOLOCK, NOWAIT, EXISTS, Unique constraint, .sql
• PostgreSQL: pg_dump, pg_restore, pgAdmin, pg_config, psql, pg_ctl, pg_isready, initdb, Role, Schema, DBeaver, Navicat, DataGrip, OmniDB, Adminer, docker-compose.xml PostgreSQL, PostgreSQL version, PostgreSQL logs, postgresql.conf, pg_hba.conf, $HOME/.pg_service.conf, Create database (PostgreSQL), Create user, createdb, GRANT, pg_stat, PostgreSQL VACUUM, EXPLAIN, pg stat activity, Autovacuum, ALTER DATABASE, PostgreSQL statistics collector, Shared buffers, EXPLAIN (PostgreSQL), EXPLAIN ANALYZE, Bitmap scan, EXPLAIN VERBOSE, EXPLAIN VERBOSE (PostgresSQL), WAL, ALTER USER, CREATE ROLE, CREATE USER, \du, show users, \l, The Statistics Collector, pganalyze, cron.schedule, Master, pg_tables, PostgreSQL replication, CREATE, SET, TOAST, PgBouncer, Restore DB, Index, meta-commands, Table, foreign table, Schema, Sequence, Views, materialized view, Table Partitioning, monitoring, PostgreSQL System Administration Functions, PostgreSQL extension, privileges, logging, PGTune, PostgreSQL parameter tunning, PostgreSQL modules, pgbench, PostgreSQL users, catalogs