At my job, we have been merrily replacing Oracle products by open-source ones. You know, the common thing any employee feels morally obligated to do as soon as

At my job, we have been merrily replacing Oracle products by open-source ones. You know, the common thing any employee feels morally obligated to do as soon as they realize there is an Oracle product in the stack. But the interesting bit is how those products got there: in some companies, you call it "modern stack" if the tech is less than fifteen years old. Sometimes they will replace a part of it and instead of jumping all the way to the present, they go like "Well, it's 2024 now. So, we need to migrate our stack from 2009 to 2010 this year. What version of Jboss came out in 2010? We need to update to that one. PostgreSQL? No, PostgreSQL 8 doesn't support deferrable unique constraints, which we need. We need to keep paying for OracleDB until June."