Bypass Schema Validation in MongoDB

Schema Validation in MongoDB

MongoDB documents are in BSON format and can be in any form. There are instances where a document should be in a specific structure. Schema Validation in MongoDB enables to set the structure for the data in the document. Validation rules are defined for the schema when a collection is created. This validation rule ensures that the data to be inserted follows the specified criteria. If a document is updated with the new values, updated values must also follow the validation rule. The validation rule can contain required fields, BSON type, and descriptions for fields in the collection. The documents that satisfy Validation rules are called valid documents and those that don’t satisfy are invalid documents....

Bypass Schema Validation in MongoDB

Documents in the collection follow the validation rule if they are mentioned during the creation of the collection. There are instances when a collection’s schema validation rules are bypassed. Validation rules are bypassed when restoring invalid data from the backup to a collection. Old documents may not follow the new validation rules. Documents that bypass the validation rule during restoration or in another scenario must also bypass schema validation or become valid during future updates....

Steps to Bypass Schema Validation in MongoDB

Step 1. Create a Collection with Validation Rules Step 2. Bypass the Validation to Insert an Invalid Document Step 3. Check Invalid Document Bypass Validation rule...

Conclusion

Collection may be associated with a validation rule.There are some scenario where bypassing validation rule is required. Bypassing validation rule can be risky as it may lead to invalid document in the collection. But it is useful in certain scenario like restoration of database and data handling. There are many command to bypass the validation like insert, update etc. Here we have successfully bypassed the schema validation using the insert command....