COMPLETE POSTGRESS INSTALLATION WITH PG-ADMIN ,XAMPP AND VISUAL STUDIO CODE (PHP connection )

1.downloading POSTGRESQL 2.downloading PGADMIN 3.downloading VISUAL STUDIO CODE 4.postgress settings 5.postgress & php connection 6.inserting data using PGADMIN 6.inserting data using PHP 6.inserting data using VISUAL STUDIO CODE 1.PG, is relational object oriented database 2.there are class and object 3.also inheritance 4.is used to handle complex query 5.is used when having big project 6.is used by enterprise resource planning ERP 7.is free open source