Simply, there are few reasons you might choose Oracle over MySQL or PostgreSQL.
- You have an application in your stack that requires it.
- You are building an app that would be installed on cus
tomer premises, and want to support enterprisey customers.
- You have a founder, or early employee, or team that REALLY knows Oracle very well and doesn't know a cheaper database.
- You're looking to be acquired by Oracle, or by an enterprise-type of company, like Cisco, EMC, etc.