Pros and Cons of NoSQL Databases | Advantages and Disadvantages of NoSQL Databases

Introduction : What is NoSQL Databases?

NoSQL database is an approach to data management that is useful for very large sets of distributed data. NoSQL database means for “Not Only SQL” or “Not SQL” . NoSQL concept was introduced by Carl Strozz in 1998. Concept of NoSQL database became popular among the IT field because of huge companies such as Google, Facebook Meta, Amazon which handling massive data volume.

Pros of NoSQL Databases

1. Scalability is very High (NoSQL DB can be scaled up till fulfill your business requirements. It provide facility of scaling database by adding the additional servers)
2. No restriction of Database Structure (No SQL need less structuring comparatively SQL DBs. Each every item of the database is self-contained and independent)
3. Flexibility of data types (Store & combine any type of a data, both structured or unstructured. Without changing structure of tables and editing indexes, NoSQL databases can add new data types within less time)
4. Ability to store large amounts of data (NoSQL DBs can handle large datasets, making them suitable for big data apps, IoT & other real-time analytics. It allows easy modifying of data with no down-time and interruption. Simply there is no limitation of data holding)
5. Beginner Friendly and Simple (Most of NoSQL DBMS' require only a few code lines)
6. Open source and Free (No need expensive licensing fees)
7. High Performance 
8. Comparatively Cheaper than traditional relational databases
9. Don't required for Separate Caching Layer

Cons of NoSQL Databases

1. Not having standard query language
2. Support is very less (Online community support is very less comparatively SQL because NoSQL is not mature enough. Then finding a solutions for some problems is a challenge)
3. Some problems of database backup (No proper data backup process which can ensure complete backup)