PostgreSQL: Create table if not exists AS

Question

I\'m using PostgreSQL and am an SQL beginner. I\'m trying to create a table from a query, and if I run:

CREATE TABLE table_name AS
   (....query...)
<         


        

Answer 1

It’s simple:

 CREATE TABLE IF NOT EXISTS abc ( sql_id BIGINT(20) NOT NULL
   AUTO_INCREMENT PRIMARY KEY, sender VARCHAR(20) NULL)