Node.js API Masterclass with Express and MongoDB - Populate, Virtuals & Cascade Delete

This video tutorial covers the use of Mongoose virtuals to populate boot camp data in courses and reverse populate boot camps with course arrays. It also demonstrates how to implement cascade delete functionality using Mongoose middleware to ensure that when a boot camp is deleted, all associated courses are also removed. The tutorial provides step-by-step instructions and code examples to help viewers understand and apply these concepts in their own projects.

What steps are involved in setting up a virtual field in a Mongoose schema?

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How do you access the ID of a boot camp in the context of deleting associated courses?

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What is the role of the 'next' function in Mongoose middleware?

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Discuss the importance of cascading deletes in a database relationship.

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