What is SQL Structured Query Language is also known as SQL is one of the most commonly used querying languages across the world. Ever since its inception, demand for SQL is growing and has been able to find its root from a small startup to a mammoth company. One of the biggest factors for its popularity is most of the software that is present in the market are Open-Source, Easy to grasp and install. What is NoSQL Non-SQL or NoSQL is used for querying the data outside the traditional SQL databases. This is because of the distributed architecture. NoSQL is also known as Not Only SQL because it is can still store the data stored by traditional SQL, only the way of storing differs. They can also differ based on data models. The most common data models are document, key-value, column, and graph. Let's dive deeper and try to find the dissimilarities between the two.