this repo is a clone of https://github.com/miguelgrinberg/flasky
SQL database is relational and it uses structured query language VS NoSQL database is non-relational and it doesn't use structured query language
SQL database uses pre-defined schemas VS NoSQL database doesn't have pre-defined schemas
SQL database stores data in tables VS NoSQL databases stores data in documents, key-value stores, etc (e.g. json format)
SQL database is more suitable for store a large quantity and less often modification of data VS NoSQL database is good for storing data that requires quicker data access/modification.
SQL database examples: MySQL, PostgreSQL, Oracle
NoSQL database examples: MongoDB, Redis, Cassandra