User talk:Arifirfandi

August 2019
Hello, I'm Peaceray. An edit that you recently made to Big data seemed to be a test and has been removed. If you want to practice editing, please use the sandbox. If you think a mistake was made, or if you have any questions, you can leave me a message on my talk page. Thanks! Peaceray (talk) 04:19, 26 August 2019 (UTC)