BigQuery Documentation APIs & Reference Client Libraries BigQuery Client Libraries Get started with BigQuery in your language of choice. Python Client Library Migration Guide BigQueryPython Client Library Migration Guide Migration guide for v0.28 of the Python client library. Rest API REST API Reference REST API reference for version 2 of the BigQuery API. BigQuery Data Transfer Service API BigQuery Data Transfer Service API Reference API reference for the BigQuery Data Transfer Service. Query Reference Query Reference (standard SQL) The complete reference for BigQuery's standard SQL query syntax and functions. Query Reference (legacy SQL) The complete reference for BigQuery's legacy SQL query syntax and functions. Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 3.0 License, and code samples are licensed under the Apache 2.0 License. For details, see our Site Policies. Java is a registered trademark of Oracle and/or its affiliates.