What is the name of the domain controller database that windows server 2016 uses to store data about user access and resources on the network?

The name of the domain controller database that Windows Server 2016 uses to store data about user access and resources on the network is Active Directory.

This Microsoft product manages permissions and access to networked resources. The main service in Active Directory is Domain Services (AD DS), which stores directory information and handles the interaction of the user with the domain.

the today function returns a valid value without any arguments.

the today function returns the current date based on the computer's date setting and formatted as a date. today takes no parameters, but requires that you use empty parentheses