# Mongoid - (current)

> Explore Mongoid, the Ruby ODM for MongoDB, with guides on connecting, configuring, and interacting with data in Ruby applications.

- [Code Documentation](https://www.mongodb.com/docs/mongoid/current/code-documentation.md)
- [Connect to MongoDB](https://www.mongodb.com/docs/mongoid/current/connect.md)
- [Configure a Forking Server](https://www.mongodb.com/docs/mongoid/current/connect/forking-server-config.md)
- [Use Data Associations](https://www.mongodb.com/docs/mongoid/current/data-modeling/associations.md)
- [Association Metadata](https://www.mongodb.com/docs/mongoid/current/data-modeling/associations/association-metadata.md)
- [Customize Association Behavior](https://www.mongodb.com/docs/mongoid/current/data-modeling/associations/customize-association.md)
- [Embedded Associations](https://www.mongodb.com/docs/mongoid/current/data-modeling/associations/embedded-associations.md)
- [Referenced Associations](https://www.mongodb.com/docs/mongoid/current/data-modeling/associations/referenced-associations.md)
- [Customize Callbacks for Models](https://www.mongodb.com/docs/mongoid/current/data-modeling/callbacks.md)
- [Use the Document Module in Your Model](https://www.mongodb.com/docs/mongoid/current/data-modeling/documents.md)
- [Customize Field Behaviors](https://www.mongodb.com/docs/mongoid/current/data-modeling/field-behaviors.md)
- [Use BSON Field Types](https://www.mongodb.com/docs/mongoid/current/data-modeling/field-types.md)
- [Indexes for Query Optimization](https://www.mongodb.com/docs/mongoid/current/data-modeling/indexes.md): Learn how to use indexes with Mongoid to improve query performance. See how to create different index types, such as compound, geospatial, and Search indexes.
- [Implement Model Inheritance](https://www.mongodb.com/docs/mongoid/current/data-modeling/inheritance.md)
- [Use Nested Attributes](https://www.mongodb.com/docs/mongoid/current/data-modeling/nested-attributes.md)
- [Configure Document Validation](https://www.mongodb.com/docs/mongoid/current/data-modeling/validation.md)
- [Collection Configuration](https://www.mongodb.com/docs/mongoid/current/databases-collections/collection-config.md)
- [Persistence Configuration](https://www.mongodb.com/docs/mongoid/current/databases-collections/persistence-config.md)
- [Sharding Configuration](https://www.mongodb.com/docs/mongoid/current/databases-collections/sharding.md)
- [In-Use Encryption](https://www.mongodb.com/docs/mongoid/current/encryption.md)
- [Mongoid: The ODM for MongoDB in Ruby](https://www.mongodb.com/docs/mongoid/current/index.md): Explore Mongoid, the Ruby ODM for MongoDB, with guides on connecting, configuring, and interacting with data in Ruby applications.
- [Add Mongoid to an Existing Application](https://www.mongodb.com/docs/mongoid/current/integrations-tools/add-existing.md)
- [External Tools and Resources](https://www.mongodb.com/docs/mongoid/current/integrations-tools/external-resources.md)
- [Configure Ruby on Rails Options](https://www.mongodb.com/docs/mongoid/current/integrations-tools/rails-integration.md): Learn how to configure Mongoid options in a Ruby on Rails application, including Rails-specific features such as ActiveJob, error handling, and execution time logging.
- [Aggregation Operations](https://www.mongodb.com/docs/mongoid/current/interact-data/aggregation.md)
- [Run a MongoDB Search Query](https://www.mongodb.com/docs/mongoid/current/interact-data/atlas-search-tutorial.md)
- [CRUD Operations](https://www.mongodb.com/docs/mongoid/current/interact-data/crud.md)
- [Modify Query Results](https://www.mongodb.com/docs/mongoid/current/interact-data/modify-results.md)
- [Asynchronous Queries](https://www.mongodb.com/docs/mongoid/current/interact-data/query-async.md)
- [Query Cache](https://www.mongodb.com/docs/mongoid/current/interact-data/query-cache.md)
- [Persist Data from Queries](https://www.mongodb.com/docs/mongoid/current/interact-data/query-persistence.md)
- [Scoping](https://www.mongodb.com/docs/mongoid/current/interact-data/scoping.md)
- [Specify a Document Query](https://www.mongodb.com/docs/mongoid/current/interact-data/specify-query.md)
- [Run a Text Query](https://www.mongodb.com/docs/mongoid/current/interact-data/text-search.md)
- [Transactions and Sessions](https://www.mongodb.com/docs/mongoid/current/interact-data/transaction.md)
- [Run a MongoDB Vector Search Query](https://www.mongodb.com/docs/mongoid/current/interact-data/vector-search.md): Learn how to use the Mongoid ODM to perform MongoDB Vector Search queries and query documents based on their semantic meaning by using vector embeddings.
- [Issues & Help](https://www.mongodb.com/docs/mongoid/current/issues-and-help.md)
- [Logging Configuration](https://www.mongodb.com/docs/mongoid/current/logging-config.md)
- [Integrate Mongoid with Ruby on Rails](https://www.mongodb.com/docs/mongoid/current/quick-start-rails.md): Build a complete Ruby on Rails application using Mongoid and MongoDB. Learn how to connect to MongoDB Atlas and display sample data.
- [Integrate Mongoid with Sinatra](https://www.mongodb.com/docs/mongoid/current/quick-start-sinatra.md): Build a complete Sinatra web application using Mongoid and MongoDB. Learn how to connect to MongoDB Atlas and display sample data.
- [Reference](https://www.mongodb.com/docs/mongoid/current/reference.md): Find reference materials about new Mongoid features.
- [Release Notes](https://www.mongodb.com/docs/mongoid/current/reference/release-notes.md)