Hi, I'm developing one application using this wonderful Database, and I've like of use the concepts correctly. Then, i decided that all my SQL statements will be in database using the procedure language (plpgsql or plpython), I go create functions for all interactions in database, and use in the my application the SELECT for call him. Is its the correct way of working? Or the correct way is create procedure functions for big and complex statements? The application will work with a large Database and will have many simultaneous access. Very Thanks!!!!