This article will helpful as a beginner to know what is Mongo DB and What is the difference between SQL and Mongo DB.
Mongo DB
Till now we are using SQL database to store data in a two dimensional row and column.
Mongo DB is a No SQL Database which store data in form of Key-Value pairs. It is a document oriented which provide high performance and scalability along with data modeling.
What is document based Storage?
Document based storage is a data structure with a key-value pair just like a JSON. For Example, Student object having name, rollno and subject, where subject is a list of string.
{
"name": "Rupal Ribadiya Desai",
"rolno": 50,
"subject": ["English", "Hindi", "Gujarati"]
}
What is the difference between SQL Database and Mongo DB?
| SQL | Mongo DB |
| Relational Database | Non Relational Database |
| It uses SQL to query language | It uses JSON/BSON to query language |
| Stores data in form of entity as tables. | Stores data in form of documents. |
| Rows | Document |
| Columns | Fields |
| Contains schema which is pre defined | Contains dynamic schema |
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