Creating user, database and adding access on PostgreSQL

Creating user, database and adding access on PostgreSQL

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NOTE: Right off the bat ? this is valid as on March 2017, running on Ubuntu 16.04.2, with PostgreSQL 9.6

TL;DR; version

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

One nice thing about PGSQL is it comes with some utility binaries like createuser and createdb. So we will be making use of that.

As the default configuration of Postgres is, a user called postgres is made on and the user postgres has full superadmin access to entire PostgreSQL instance running on your OS.

$ sudo -u postgres psql

The above command gets you the psql command line interface in full admin mode.

In the following commands, keep in mind the < angular brackets > are to denote variables you have to set yourself. In the actual command, omit the <>

Creating user

$ sudo -u postgres createuser <username>

Creating Database

$ sudo -u postgres createdb <dbname>

Giving the user a password

$ sudo -u postgres psqlpsql=# alter user <username> with encrypted password ‘<password>’;

Granting privileges on database

psql=# grant all privileges on database <dbname> to <username> ;

And yeah, that should be pretty much it !

Doing purely via psql

Your OS might not have the createuser or createdb binaries, or you may, for some reason want to do it purely via psql, then these are the three magic commands ?


Obligatory shameless self-plug : I am one of the co-founders of Coding Blocks ? A Software Programming bootcamp, based out of New Delhi, India. Among other things, we teach Full Stack Web Development using NodeJS, via both classroom programmes, as well as online classes. You can follow our Medium to find more articles on Android and Web development.


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