Giving an entirely new meaning to the term “collaboration,” Oracle has become a paying customer of Amazon Web Services as part of Larry Ellison’s strategy to make Oracle’s databases available on as many cloud platforms as possible. Ellison opened his remarks on this week’s earnings call by describing the availability of Oracle’s MySQL HeatWave database on AWS and emphasized repeatedly the imperative of customer choice. Declaring that “the multi-cloud era has begun,” Ellison said, “Our job is to give our customers the ability to choose application and infrastructure technology from multiple cloud providers, and then have those different clouds coexist...