System logs generated by globally distributed microservices often hide subtle degradations (like memory thrashing or systemic ...

An end-to-end analysis of four years of retail sales: clean the data, explore it with SQL, find what drives revenue, and present it in an Excel dashboard. Built with Python (Pandas, Matplotlib), SQL ...

This repository is my hands-on backend engineering learning and interview portfolio. It documents my continuous progress from Core Java fundamentals to production-oriented backend concepts, with ...

Organizations using Microsoft Fabric data agents should re-verify their response quality this week. Between November 2 and ...

PostgreSQL window functions make it possible to rank records, calculate running totals, and analyze data without combining ...