how to create table in postgresql ubuntu code example

Example 1: create table in postgresql

-- Example table
 CREATE TABLE accounts (
	user_id serial PRIMARY KEY,
	username VARCHAR ( 50 ) UNIQUE NOT NULL,
	password VARCHAR ( 50 ) NOT NULL,
	email VARCHAR ( 255 ) UNIQUE NOT NULL,
	created_on TIMESTAMP NOT NULL,
        last_login TIMESTAMP 
);

Example 2: create table postgresql

CREATE TABLE table_name (
	column_name TYPE column_constraint,
	table_constraint table_constraint
) INHERITS existing_table_name;