postgresql command line mac code example

Example 1: postgres install mac

$ brew install postgresql

Example 2: how to open postgresql in mac

brew services start postgresqlpsql postgres

Example 3: postgresql create database mac

sudo psql -U postgres
psql: FATAL:  role "postgres" does not exist

Example 4: postgresql create database mac

brew install postgresql

Example 5: how to open postgresql in mac

/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"