# Sample - Partitioned DML This example shows how to use Partitioned DML with the Spanner ActiveRecord adapter. See https://cloud.google.com/spanner/docs/dml-partitioned for more information on Partitioned DML. ## Running the Sample The sample will automatically start a Spanner Emulator in a docker container and execute the sample against that emulator. The emulator will automatically be stopped when the application finishes. Run the application with the command ```bash bundle exec rake run ```