VIAVI TestCenter: Why Postgres is installed along with Testcenter?

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VIAVI TestCenter: Why Postgres is installed along with Testcenter?
• TestCenterIQ is a new results solution that is being added to VIAVI TestCenter and will co-exist with Results Reporter.  Currently, TestCenterIQ is disabled, but it still requires Postgres to be installed to support this new feature. • Postgres is installed through its own native Window's installer, same as what you get when installing through web.  The Postgres installer expects a password, and the TestCenter installer uses "postgres" by default.  If you already have Postgres installed, please use the password that you already defined during the initial Postgres installation. • Related article: • FAQ20053