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MongoDB Interview Preparation

1.Getting Started

Introduction Comprehensive MongoDB Database: E-Commerce Platform

2.CRUD Operations

Practice Theoretical Questions Write Query: Insert a Record Solution: Insert a Record Similar Interview Questions: Insert a Record Write Query: Find a Record Solution: Find a Record Similar Interview Questions: Find a Record Write Query: Update a Record Solution: Update a Record Similar Interview Questions: Update a Record Write Query: Delete a Record Solution: Delete a Record Similar Interview Question: Delete a Record

3.Querying and Projection

Practice Theoretical Questions Write Query: Using Comparison Operators Solution: Using Comparison Operators Similar Interview Questions: Using Comparison Operators Write Query: Using Logical Operators Solution: Using Logical Operators Similar Interview Questions: Using Logical Operators Write Query: Using Regular Expressions Solution: Using Regular Expressions Similar Interview Questions: Using Regular Expressions

4.Array and Nested Queries

Practice Theoretical Questions Write Query: Reading Arrays Solution: Reading Arrays Similar Interview Questions: Reading Arrays Write Query: Updating Arrays Solution: Updating Arrays Similar Interview Questions: Updating Arrays Write Query: Nested Queries and Fields Solution: Nested Queries and Fields Similar Interview Questions: Nested Queries and Fields

5.Aggregation Framework

Practice Theoretical Questions Write Query: Multi-Stages Aggregation Solution: Multi-Stages Aggregation Similar Interview Questions: Multi-Stages Aggregation Write Query: Grouping Across Collections Solution: Grouping Across Collections Similar Interview Questions: Grouping Across Collections Write Query: Merging Documents Solution: Merging Documents Similar Interview Questions: Merging Documents

6.Indexing and Performance

Practice Theoretical Questions Write Query: Create a Compound Index Solution: Create a Compound Index Similar Interview Questions: Create a Compound Index

7.Wrap Up

MongoDB Interview Preparation

Solution: Insert a Record

We'll cover the following...

Concepts

The explanation of the query is given below:

Line 1: db.orders.insertOne() tells MongoDB to insert one new document into the orders collection. Now, inside the parentheses, we define the document (a JSON-like object) that will be inserted.
Line 2: customerId is a field and the value “ ...