Uploaded February 2023 | Updated September 2026, 2 weeks ago

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Connect Two Tables in MongoDB Using Node & Express
The benefit of using 2NF is?
Data is consistent in the database. So their is no duplicate data in the table. It improves the flexibility in designing a Database. It also improves the overall organization of data in the database. It also improves the security of the database.
Second Normal Form applies to relations with composite keys, that is, relations with a primary key composed of two or more attributes.
As you know we don’t have primary key in mongodb. So let’s see how we can create a 2NF in mongodb NoSQL database.


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Tags: #node #express #2nf