Question

The primary key is a_____ key

Answer 1

Answer:

A primary key, also called a primary keyword, is a key in a relational database that is unique for each record. It is a unique identifier, such as a driver license number, telephone number (including area code), or vehicle identification number (VIN). A relational database must always have one and only one primary key.

Answer 2

Explanation:

$\boxed{\underline{\mathbb{\red{   The~primary~key~is~a~UNIQUE~KEY}  }    }  }$