relational and non relational database code example

Example 1: relational database vs non relational

Relational Database =
-Tables are structured related to each other
-Each specific type of domain data is strored
 it's own table

Non-Relational Database =
-There is no relation at all between tables
-Mostly key+value pair : like jSon

Example 2: what is non relational database

Non-Relational Database =
-There is no relation at all between tables
-Mostly key+value pair : like jSon

Example 3: non relational database

Non-Relational Database =
-There is no relation at all between tables
-Mostly key+value pair : like jSon