What is NoSQL.
Many databases are used nowadays, therefore there is a confusion among us about NoSQL and SQL databases. I hope this blog will bring you a clear picture on NoSQL database and how it differ from SQL database.
What is NoSQL database?
NoSQL means Not only SQL or non SQL which is new to industry. It does not follow the traditional steps when storing data. It follows a different method because it uses cloud storage due to advancement of the internet.
NoSQL databases are mainly four types as bellow,
1.Document databases
2.Key-value databases
3.Wide-column stores
4.Graph databases
Why NoSQL database?
NoSQL database was introduced to handle lots of data. It makes easier to store and retrieve data from the database which does not follow the tabular relational model which are used in the SQL database. For an example companies like Facebook, Twitter has to handle large amount of data everyday, so they need a flexible way to store and retrieve their data, therefore traditional method can not be followed. NoSQL entered to industry to store big data.
Advantages
- Scalable
- Developer friendly
- Data available at any time, therefore can access data regardless of the time and the place.
- Faster
- Flexible
- Handle large amount of data.
- Easy to update
- Store any type of data.
- Consistency
- Have ability to query
Comparison between NoSQL database and SQL database.
