You realise that apart from installing DBI.pm, you also need to install DBD::Pg.pm, the Postgres declination of the DBI interface.

Maybe you installed Postgres from a package, such as an RPM file, and the maintainer neglected to include the documentation tarball. Know that there is a large pile of documentation that comes with Postgres, and you can even download it as a separate component from a mirror site near you. For memory there is some tutorial-type material provided.

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g r i n d e r
just another bofh

print@_{sort keys %_},$/if%_=split//,'= & *a?b:e\f/h^h!j+n,o@o;r$s-t%t#u';