What is a characteristic of a non-relational database?

Non-relational databases (NoSQL) typically store semi-structured or unstructured data and have the following characteristics:

Entities are often self-describing , meaning they store their own schema within the data (e.g., JSON documents).

Schema is flexible , allowing for changes without restructuring the entire database.

Other options:

Full support for Transact-SQL → This is a characteristic of relational (SQL) databases, not NoSQL.

A fixed schema → Also a relational database characteristic.

Correct Answer: self describing entities