Shared Libraries Required for PostgreSQL Clients
PostgreSQL is an advanced object-relational database management system
that supports an extended subset of the SQL standard, including
transactions, foreign keys, subqueries, triggers, user-defined types
This package provides the essential shared libraries for (almost) any
PostgreSQL client program or interface. You will need to install this
package in order to use any other PostgreSQL package or any clients
that need to connect to a PostgreSQL server.