Postmodern is a Common Lisp library for interacting with PostgreSQL databases.
see for more information: http://marijnhaverbeke.nl/postmodern/#quickstart
14th September 2023: Postgresql 16 Released!
First we are going to create the user and database into postgresql:

And after that we are going to create the database called my_database:

Now we need to load the library by quicklisp:
You can see:
How to install and configure your IDE for Common Lisp

next, we need to define a variable with database connection

Now need to define the connection pooler called with-database-connection:

Finally the PostgreSQL connection test:

Some examples:
