SQL

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 
);

postgre sql create table

CREATE TABLE cities (
    city_id serial PRIMARY KEY,
    city_name VARCHAR (255) NOT NULL,
    population INT NOT NULL CHECK (population >= 0)
);

postgresql create table as select

CREATE TABLE films_recent AS
  SELECT * FROM films WHERE date_prod >= '2002-01-01';

create table postgresql

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

Create postgres table

CREATE TABLE holiday_calender (
	hcl_id bigserial NOT NULL,
	hcl_country integer,
	hcl_company integer,
	hcl_date timestamp NULL,
	hcl_description varchar(500) NULL,	
	hcl_active int4 NOT NULL,
	CONSTRAINT holiday_calender_pkey PRIMARY KEY (hcl_id)
);