Full Stack Web Development MASTERY Course - Novice to Expert - Creating Your Own Validator in Mongoose

The video tutorial covers creating custom validators in Mongoose, focusing on ensuring positive number validation for a schema field. It explains the use of built-in validators and demonstrates how to implement a custom validator to restrict negative values. The tutorial includes testing the validator and handling errors, concluding with a brief overview of upcoming topics like APIs and GitHub.

Describe the process of validating a number in a Mongoose schema.

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How can you check if a value is less than zero in a custom validator?

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What happens if a positive value is entered for the lecture field?

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