PostgreSQL

Install

Debian/Ubuntu

sudo apt-get update
sudo apt-get install postgresql postgresql-contrib

Remote access

1.- Modify pg_hba.conf to add Client Authentication Record
To allow remote access edit: /etc/postgresql/9.4/main/pg_hba.conf

sudo -i -u postgres -H nano /etc/postgresql/9.4/main/pg_hba.conf

Example:

 TYPE  DATABASE        USER            CIDR-ADDRESS            METHOD

# IPv4 local connections:
host    all             all             127.0.0.1/32            md5
# IPv6 local connections:
host    all             all             ::1/128                 md5

2.- Change the Listen Address in postgresql.conf

sudo -i -u postgres -H nano /etc/postgresql/9.4/main/postgresql.conf

set: listen_addresses = '*'

Crate users

From postgres shell account type:

createuser --interactive

To change the user password:

ALTER USER postgres WITH ENCRYPTED PASSWORD 'P@$$worD1';

Create database

From the postgres user shell:

createdb test1

CREATE TABLE / DROP TABLE

    CREATE TABLE table_name (
    column_name1 col_type (field_length) column_constraints,
    column_name2 col_type (field_length),
    column_name3 col_type (field_length)
);

    DROP TABLE table_name