setting up a postgres database mac code example
Example 1: how-can-i-start-postgresql-server-on-mac-os-x
If you want to manually start and stop PostgreSQL (installed via Homebrew), the easiest way is:
brew services start postgresql
and
brew services stop postgresql
If you have a specific version, make sure to suffix the version. For example:
brew services start postgresql@10
Example 2: postgresql create database mac
sudo psql -U postgres
psql: FATAL: role "postgres" does not exist