Install extension in PgSQL shows an ERROR: could not open extension control file /usr/share/postgresql/11/extension/plperl.control No such file or directory

PostgreSQL PL/Perl extension, the main advantage is that allows use, within stored functions, of the manyfold "string munging" operators and functions available for Perl.

In your PostgresSQL database, want to be Python enables an SQL developer to write procedural language functions for PostgreSQL 11 in Python.