how to create user and password in postgresql code example

Example 1: create db user postgres

sudo -u postgres psql
postgres=# create database mydb;
postgres=# create user myuser with encrypted password 'mypass';
postgres=# grant all privileges on database mydb to myuser;

Example 2: create password for user in postgres

ALTER USER davide WITH PASSWORD 'hu8jmn3';

Example 3: how to create a new user in postgresql

CREATE DATABASE yourdbname;CREATE USER youruser WITH ENCRYPTED PASSWORD 'yourpass';GRANT ALL PRIVILEGES ON DATABASE yourdbname TO youruser;

Example 4: create user and password postgres

dropuser username

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