Runway burning, features piling up, product-market fit still elusive. The engineering teams that find fit fastest share specific mindsets — skateboard methodology, rapid iteration, and knowing when to ship ugly.
A regional manufacturer running a 2000s Java ERP. Server crashes costing thousands. Design files with no backup. Stock management in Excel. This case study walks through migrating legacy infrastructure to
OLTP vs OLAP. Row vs column storage. B-trees vs LSM-trees. Relational vs document vs graph. The fundamentals of distributed systems and database management — distilled from an Oracle learning book
Scala vs Java vs Python — benchmarked on a Monte Carlo stock prediction microservice. Looking at latency, throughput, lines of code, and cognitive complexity. Which one actually wins for streaming,
