--- title: CMDB Query Builder description: The CMDB Query Builder enables you to build complex infrastructure and service queries that span multiple CMDB classes, non-CMDB tables, and that involve many CIs that are connected by different relationships. locale: en-US canonical_url: https://www.servicenow.com/docs/r/australia/servicenow-platform/configuration-management-database-cmdb/cmdb-query-builder-landing-page.html release: australia product: Configuration Management Database \(CMDB\) classification: configuration-management-database-cmdb topic_type: concept last_updated: "2026-03-12" reading_time_minutes: 2 breadcrumb: [Configuration Management Database \(CMDB\), Configuration Management, Extend ServiceNow AI Platform capabilities] --- # CMDB Query Builder The CMDB Query Builder enables you to build complex infrastructure and service queries that span multiple CMDB classes, non-CMDB tables, and that involve many CIs that are connected by different relationships. ## Get started ## Troubleshoot and get help - [For tips and basic troubleshooting, see CMDB Query Builder \[KB0681251\]](https://support.servicenow.com/kb_view.do?sysparm_article=KB0681251). - [KB0546686: CMDB Resources Page](https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB0546686) - [Search the Known Error Portal for known error articles](https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB0597477) - [Contact Customer Service and Support](https://support.servicenow.com/now?draw=case)