Examlex
Based on the customer table below, which of the attributes do you think represents the primary key?
Customer table
User Account Control
User Account Control is a security feature in Windows operating systems that helps prevent unauthorized changes to the operating system by prompting the user for permission or an administrator password.
Password
A secret word or phrase that is used to gain access to a computer system or service, providing a basic form of security authentication.
Phone Settings
Options and features on a smartphone that allow customization of operations, appearance, and usage preferences.
Time And Date
The specific moment determined by a combination of hours, minutes, seconds, day, month, and year.
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