Here Is the Answer:
A visible primary key column is a unique identifier that is created solely for the purpose of serving as the primary key and is displayed to users in a user-friendly manner. This column may contain values such as auto-generated numbers, codes, or even names that are unique to a particular record. The purpose of this column is to provide a quick and easy way for users to locate and reference specific records within a database or other data storage system, without having to rely on more complex search methods.