# yum info postgresql96-devel
Loaded plugins: priorities, update-motd, upgrade-helper
Installed Packages
Name        : postgresql96-devel
Arch        : x86_64
Version     : 9.6.6
Release     : 1.79.amzn1
Size        : 5.0 M
Repo        : installed
From repo   : amzn-updates
Summary     : PostgreSQL development header files and libraries
URL         : http://www.postgresql.org/
License     : PostgreSQL
Description : The postgresql-devel package contains the header files and libraries
            : needed to compile C or C++ applications which will directly interact
            : with a PostgreSQL database management server.  It also contains the ecpg
            : Embedded C Postgres preprocessor. You need to install this package if you want
            : to develop applications which will interact with a PostgreSQL server.