IT Career Guides & Free Resources
Expert roadmaps, tutorials, salary guides and interview prep across Data Science, Generative AI, Python, Cloud & Analytics — written by GloryTecks trainers in Hyderabad.
All articles
Data Engineering Interview Questions and Answers, Part 2: The Debugging Round
Some data engineering interviews skip theory and hand you a broken query: the numbers are wrong, find out why. This guide reproduces five classic pipeline bugs on real public data, shows the symptom each produces, how to diagnose it quickly and the fix an interviewer expects.
Prompt Engineering: Techniques That Actually Improve Output
Most prompt advice is a list of tips. This guide takes one job, pulling three fields out of customer emails, and rewrites the prompt seven times, scoring each version on the same twelve emails. An example and a schema fixed the format; definitions and asking for evidence before the verdict fixed the meaning.