Question

which columnis the most appropriate to be a primary key in facility table​

Answer 1

$\huge\mathcal{Answer:}$

The primary key should be the first field (or fields) in your table design. While most databases allow you to define primary keys on any field in your table, the common convention and what the next developer will expect, is the primary key field(s) coming first.

Answer 2

Explanation:

The primary key should be the first field (or fields) in your table design. While most databases allow you to define primary keys on any field in your table, the common convention and what the next developer will expect, is the primary key field(s) coming first.