What is the basic unit of data in MongoDB? (Select one.)A. CollectionB. DatabaseC. DocumentD. Row

Breakdown of the Problem

We need to identify the basic unit of data in MongoDB from the given options.

Relevant Concepts

In MongoDB, the primary structure for data representation is notably different from traditional relational databases. The options provided relate to common database terminologies.

1. Collection: A grouping of MongoDB documents.
2. Database: A container for collections.
3. Document: A single record in MongoDB, akin to a row in relational databases.
4. Row: This term is traditionally used in relational databases.

Analysis and Detail

When we analyze these terms in the context of MongoDB:

• Collection (A) is not a single unit; it's a group of documents.
• Database (B) encompasses multiple collections and is also not a single data unit.
• Document (C) is equivalent to a data record, which is the basic unit of storing data in MongoDB.
• Row (D) is a term not directly applicable as MongoDB does not utilize the concept of rows.

Verify and Summarize

Given that a document is the fundamental structure used to store data in MongoDB, it serves a similar purpose to a row in relational databases but is more flexible in its schema.

Final Answer

C. Document