This article serves as a guide for developers new to Couchbase, detailing a weekly series that introduces the basics of connecting to Couchbase and manipulating data using the Couchbase Java SDK. It explores the functionalities of Couchbase as a distributed JSON document database, highlighting its capabilities in executing SQL-like queries through SQL++, and demonstrates data retrieval and modification via key-value and query methods using Java. The tutorial includes examples using the "travel-sample" dataset to familiarize developers with fundamental operations such as key-value retrieval, sub-document operations, and upsert functions. Additionally, it provides insights into advanced querying techniques using both named and positional parameters. The article encourages further learning through Couchbase's documentation and community resources, and suggests pursuing the Couchbase Associate Java Developer Certification Course for deeper expertise.