title: What is the industry standard way to store country / state / city in a database of web APP?
body: <p>For country and state, there are ISO numbers. With City, there is not.</p>
  <p>Method 1:</p>
  <p>Store in one column:</p>
  <p>[Country ISO]-[State ISO]-[City Name]</p>
  <p>Method 2:</p>
  <p>Store in 3 separate columns.</p>
  <p>Also, how to handle city names if there is no unique identifier?</p>