Check out example codes for "how-can-i-start-postgresql-server-on-mac-os-x". It will help you in understanding the concepts better.
Code Example 1
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 [email protected]
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