Data Validation and Sanitization: Part I

This video tutorial covers data validation and sanitization using Mongoose. It explains how to enforce data rules, set up required fields, and use custom validators. The tutorial also introduces the NPM Validator library for complex validations like email and phone numbers. Additionally, it demonstrates data sanitization techniques such as trimming and converting to lowercase. The video concludes with a practical demonstration of these concepts in a user model.

What is data validation and why is it important?

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Explain the difference between data validation and data sanitization.

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How can you enforce that a user's age must be greater than or equal to 18?

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What is an example of data sanitization mentioned in the text?

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Describe how to set a field as required in a Mongoose model.

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What are built-in validators in Mongoose and how do they work?

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What is the purpose of custom validation in Mongoose?

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How can you validate that a user's age is a positive number?

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What is the recommended NPM library for complex validations like email and phone numbers?

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How can you set a default value for a field in a Mongoose model?

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