MongoDB Schema Validation

Enforce data types and required fields using JSON Schema validation.

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MongoDB supports document validation using JSON Schema rules. When an insert or update occurs, MongoDB checks that the document conforms to the defined schema.

Key Takeaways: MongoDB Schema Validation

Mastering MongoDB Schema Validation helps you write clean and reliable MongoDB code. Follow standard conventions, test edge cases, and keep logic simple. Try running the code example below and complete the exercises to build confidence.

MongoDB Schema Validation Code Example

MongoDB

db.createCollection("contacts", {
  validator: {
    $jsonSchema: {
      bsonType: "object",
      required: ["name", "email"],
      properties: {
        name: { bsonType: "string" },
        email: { bsonType: "string", pattern: "^.+@.+$" }
      }
    }
  }
});

Output

Enforces valid string email and name upon every write

Run this example on your own computer. The "Get Started" lesson shows how to set it up.

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MongoDB Schema Validation

💡 Key Takeaways: MongoDB Schema Validation

MongoDB Schema Validation Code Example

Key Takeaways: MongoDB Schema Validation