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class="doc landing-page-doc"> <h1 class="sect0">Java Columnar SDK</h1> <div class="paragraph"> <p>The Columnar Java SDK allows you to connect to a Capella Columnar cluster from Java. For connecting to a Couchbase Server Cluster — self-managed, or Capella Operational — see our <a href="../../../java-sdk/current/hello-world/overview.html" class="xref page">Java Server SDK</a>.</p> </div> <div class="paragraph"> <p><br></p> </div> <div class="sect1"> <h2><span class="icon"><i class="fa fa-database"></i></span> Using Your Columnar Cluster</h2> <div class="sectionbody"> <div class="paragraph"> <p>How-to guides and tutorials to help you start your development journey with Columnar and the Java SDK.</p> </div> <div class="card-row three-column-row"> <div class="ulist column"> <div class="title">Getting Started</div> <ul> <li> <p><a href="start-using-sdk.html" class="xref page">Hello Columnar — Java SDK Quickstart Guide</a></p> </li> <li> <p><a href="../howtos/managing-connections.html" class="xref page">Connecting to Columnar</a></p> </li> <li> <p><a href="../howtos/sqlpp-queries-with-sdk.html" class="xref page">Querying with SQL++</a></p> </li> </ul> </div> <div class="ulist column"> <div class="title">Reference</div> <ul> <li> <p><a href="https://docs.couchbase.com/sdk-api/couchbase-columnar-java-client-1.0.0/com.couchbase.columnar.client.java/module-summary.html">API Reference</a></p> </li> <li> <p><a href="../ref/client-settings.html" class="xref page">Client Settings</a></p> </li> <li> <p><a href="../ref/error-codes.html" class="xref page">Error Messages</a></p> </li> <li> <p><a href="../ref/glossary.html" class="xref page">Glossary</a></p> </li> </ul> </div> <div class="ulist column"> <div class="title">Deployment Docs</div> <ul> <li> <p><a href="../project-docs/columnar-sdk-release-notes.html" class="xref page">Columnar SDK Release Notes</a></p> </li> <li> <p><a href="../project-docs/compatibility.html" class="xref page">Compatibility</a></p> </li> <li> <p><a href="../project-docs/sdk-full-installation.html" class="xref page">Maven Coordinates</a></p> </li> </ul> </div> </div> </div> </div> </article> </main> </div> <footer class="footer"> <div class="container"> <div class="footer-links"> <div class="col"> <div class="footer-logo"> <a href="https://www.couchbase.com" class="icon"> <img src="../../../_/img/couchbase-logo.svg" alt="Couchbase"> </a> </div> </div> <div class="col"> <ul> <li><a href="https://docs.couchbase.com" target="_blank" rel="noopener">Documentation</a></li> <li><a href="https://forums.couchbase.com" target="_blank" rel="noopener">Forums</a></li> <li><a href="https://support.couchbase.com" target="_blank" rel="noopener">Support</a></li> </ul> </div> <div class="col"> <ul> <li><a href="https://developer.couchbase.com" target="_blank" rel="noopener">Developer Portal</a></li> <li><a href="https://blog.couchbase.com" target="_blank" rel="noopener">Blog</a></li> <li><a href="https://www.couchbase.com/resources">Resources</a></li> </ul> </div> <div class="col"> <ul> <li><a href="https://www.couchbase.com/get-started-developing-nosql">Get Started</a></li> <li><a href="https://www.couchbase.com/downloads">Downloads</a></li> <li><a href="https://learn.couchbase.com/store?utf8=%E2%9C%93&ss=1&ct=78327&commit=Filter" target="_blank" rel="noopener">Training</a></li> </ul> </div> <div class="col"> <ul class="social-icons"> <li> <svg width="14" height="14" viewBox="0 0 32.1 26.1"> <path id="twitter" class="cls-1" d="M32,7.1a11.836,11.836,0,0,1-3.8,1,6.462,6.462,0,0,0,2.9-3.6,12.606,12.606,0,0,1-4.2,1.6A6.492,6.492,0,0,0,22.1,4a6.594,6.594,0,0,0-6.6,6.6,7.719,7.719,0,0,0,.2,1.5A18.458,18.458,0,0,1,2.2,5.2a6.294,6.294,0,0,0-.9,3.3A6.765,6.765,0,0,0,4.2,14a6.109,6.109,0,0,1-3-.8v.1a6.543,6.543,0,0,0,5.3,6.4,4.678,4.678,0,0,1-1.7.2,4.869,4.869,0,0,1-1.2-.1,6.679,6.679,0,0,0,6.1,4.6,12.917,12.917,0,0,1-8.2,2.8,9.151,9.151,0,0,1-1.6-.1,18.438,18.438,0,0,0,10.1,3c12.1,0,18.7-10,18.7-18.7v-.8A13.336,13.336,0,0,0,32,7.2Z" transform="translate(0.1 -4)"/></svg> <a href="https://twitter.com/couchbase" class="icon"> Twitter </a> </li> <li> <svg width="14" height="14" viewBox="0 0 32 32"> <path id="linkedin" class="cls-1" d="M29,0H3A3.076,3.076,0,0,0,0,3V29a3.009,3.009,0,0,0,3,3H29a2.946,2.946,0,0,0,3-3V3A3.009,3.009,0,0,0,29,0ZM12,26H8V12h4ZM10,10a2,2,0,1,1,2-2A2.006,2.006,0,0,1,10,10ZM26,26H22V18a2,2,0,0,0-4,0v8H14V12h4v2.5c.8-1.1,2.1-2.5,3.5-2.5A4.736,4.736,0,0,1,26,17Z"/></svg> <a href="https://www.linkedin.com/company/couchbase" class="icon"> Linkedin </a> </li> <li> <svg width="14" height="14" viewBox="0 0 32 32"> <path id="facebook" class="cls-1" d="M29,0H3A2.652,2.652,0,0,0,0,3V29a2.652,2.652,0,0,0,3,3H16V18H12V14h4V12a6.452,6.452,0,0,1,6-6h4v4H22a2.151,2.151,0,0,0-2,2v2h6l-1,4H20V32h9a2.652,2.652,0,0,0,3-3V3A2.652,2.652,0,0,0,29,0Z"/></svg> <a href="https://www.facebook.com/Couchbase" class="icon"> Facebook </a> </li> </ul> </div> </div> <div class="footer-terms"> <div class="footer-terms-copyright"> <span>漏 2025 Couchbase and the Couchbase logo are registered trademarks of Couchbase, Inc. 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