<ul data-eligibleForWebStory="false"><li>The -W (or --password) flag in PostgreSQL, used for entering passwords, may not always ensure secure password authentication.</li><li>Contrary to expectations, the -W flag does not always enforce password authentication, just prompts the user for a password.</li><li>This can lead to a false sense of security, as the server might not actually require a password for authentication, potentially risking security.</li><li>It's advised to be cautious while using the -W flag and consider alternative secure methods for password authentication in PostgreSQL.</li></ul>

Why You Should Stop Using psql -W to Enter Your PostgreSQL Password

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