👉 Non-relational databases are those that do not have any kind of relationship between their elements. They lack a concept of "relation" or "association", which is essential in relational databases where data is related to other data through a set of rules and constraints. In a non-relational database, each piece of information is treated as an independent entity without having a direct connection with another piece of information. This means that the structure and operations of a non-relational database are different from those of a relational