Installing from OpenBSD/Ports
create user, group, datastore and start server
Installing from Packages
The package creates a user (_postgresql) with a home dir /var/postgresql.
Somehow the package did not install perfectly but with some manual work it
seemed ok afterall.
Creating a database
make sure it starts. add to rc.local”
Mac OS X
after installing postgresql8 +server from darwinports
copy a database to another database
list databases on the server
dump a table to tab-seperated file