Effective June 1, 2026, BigQuery will limit legacy SQL use. This depends on

## Change Change Effective _June 1, 2026_, BigQuery will limit legacy SQL use. This depends on whether your organization or project uses it from November 1, 2025, to June 1, 2026\. If you don't use legacy SQL during this time, you won't be able to use it after June 1, 2026\. If you do use it, your existing workloads will keep running, but new ones might not. For more information, see[Legacy SQL feature availability](https://docs.cloud.google.com/bigquery/docs/legacy-sql-feature-availability).