SQL vs NoSQL databases

SQL stands for Structured Query Language. It’s used for relational databases. A SQL database is a collection of tables that stores a specific set of structured data. Some examples are PostgreSQL, MySQL, MariaDB etc.

NoSQL stands for Not Only SQL. It’s used for non-relational databases. A NoSQL database is a collection of collections that stores a specific set of unstructured data. Some examples are MongoDB, CouchDB, Redis etc.

Visit the following resources to learn more:

• SQL vs. NoSQL: Whats the difference?
• Database Design Tips | Choosing the Best Database in a System Design Interview
• NoSQL vs SQL – Which Type of Database Should You Use?