Couchbase Capella is a recently launched database service designed to streamline the process for developers and teams to get started with Couchbase by offering faster, easier, and more affordable solutions. The service provides a free trial that allows users to quickly set up and deploy clusters without a credit card, making it accessible to a broader audience. After signing up, users can select deployment options, import sample data, and run queries using SQL, which is enhanced by a cost-based optimizer for efficient data access. The guide outlines steps for setting up a cluster, importing a Travel Sample dataset, and running queries, demonstrating Capella's ability to handle complex operations like JOINs across JSON documents. Users are encouraged to explore the platform's capabilities further, including its support for SQL, caching, full-text search, analytics, and eventing, which combines the strengths of relational and NoSQL databases for varied use cases. Capella aims to offer industry-leading performance and cost-effectiveness, making it a competitive option in the database-as-a-service (DBaaS) market.