This document discusses various ways that MySQL is used by major companies like PayPal, Tesla, and Uber. It provides the following summaries:
1. PayPal uses MySQL Cluster to power its globally distributed fraud detection system, achieving 99.999% availability and sub-second consistency across the world.
2. Tesla uses MySQL InnoDB Cluster in its critical vehicle manufacturing processes for its high availability and easy maintenance.
3. Uber uses MySQL as both a transactional and document database, storing trip data in a flexible, schemaless structure for growth and rapid development.