1,690,238 Lines of Code. Zero Downtime. What an “Impossible” Migration Actually Looks Like.
There’s a number that stops most modernization conversations cold: 1.7 million. That’s how many lines of PL/SQL code the average financial institution has quietly accumulated over 20–30 years of operations. Triggers, validations, calculation rules — layers of business logic that nobody fully documented, because it was never supposed to move anywhere. The standard industry response to a system this size was: “We’ll need 2-3 years and a budget with a lot of zeros.” We just proved again that wrong. The Scale of the Problem Nobody Wants to Admit In the
