how to start postgres 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: how to open postgresql in mac
/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"