Couchbase Capella is designed to make it easier and more affordable for developers and teams to utilize Couchbase by offering a free trial and a simple setup process. Users can sign up quickly without needing a credit card and deploy a cluster in under two minutes, with guidance available through a Welcome Video and various tutorials. The platform enables users to leverage their SQL knowledge for querying data, with features such as a cost-based optimizer and support for complex SQL joins across documents. Capella also provides tools for monitoring cluster metrics and optimizing query performance through indexing. The service combines the strengths of relational and NoSQL databases, offering integrated capabilities such as caching, full-text search, and analytics, while aiming to deliver cost-effectiveness and flexibility in licensing.