Send feedback Cloud Spanner Documentation Docs Cloud Spanner best practices The following pages provide guidance and best practices for using Cloud Spanner: Bulk loading best practices Data Manipulation Language (DML) best practices Schema design best practices SQL best practices Was this page helpful? Let us know how we did: Send feedback Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 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. Last updated January 22, 2019.