This is a reminder that you have until Thursday, May 28, 2020 2:29 AM Coordinated Universal Time to use your Oracle Cloud Free Trial credits for account xx.
You will continue to have access to your account and your Always Free resources with no interruption after the trial ends. Your Always Free resources will remain available to you as long as you actively use your account.
To access all Oracle Cloud services, upgrade to a paid account. Click the Upgrade link on the Oracle Cloud Console home page for details.
所以,如果账号想要不被删,就要Your Always Free resources will remain available to you as long as you actively use your account.