Have you worked at Shopify before to know that MySQL is not the right approach? If not, how do you know it was wrong for them? FYI Uber migrated from Postgres

Have you worked at Shopify before to know that MySQL is not the right approach? If not, how do you know it was wrong for them? FYI Uber migrated from Postgres to MySQL https://news.ycombinator.com/item?id=26283348 https://news.ycombinator.com/item?id=26283348