PostgreSQL

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Database

Bash.svg
# create a database
createdb myDatabaseName

# connect to a database
psql -d myDatabaseName
Pgsql.svg
-- connect to a database
\c myDatabaseName

Table

Pgsql.svg
-- show summary information about all tables in the current database
\dt

Users and permissions

Pgsql.svg
-- list all users and their permission levels
\du

Service

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sc-start postgresql.service

Installation

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# will install postgresql-libs, postgresql and create a system user called postgres
sudo pacman -S postgresql

Configuration

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# switch to the PostgreSQL user
sudo -iu postgres

# initialize the database cluster
initdb -D /var/lib/postgres/data
# $LANG (en_US.UTF-8) is used to deduce the locale and the encoding
# or can be defined manually: --locale=en_US.UTF-8 -E UTF8

# start the service
sc-start postgresql.service

# create a user
# If the new user has the same name as your Linux user, it allows you to access the PostgreSQL database shell without having to specify a user to login.
createuser --interactive