4+ Free Guides

IT Career Guides & Free Resources

Expert roadmaps, tutorials, salary guides and interview prep across Data Science, Generative AI, Python, Cloud & Analytics β€” written by GloryTecks trainers in Hyderabad.

All articles

Data Analytics
6 May 2026 6 min

From Excel to SQL: A Smooth Transition Guide

A transition guide from Excel to SQL that starts from what you already know: filters become WHERE, SUMIFS becomes GROUP BY, XLOOKUP becomes a join, COUNTIFS and IF become CASE, and pivot tables become conditional aggregation, each shown as a real query with its output, plus the mindset shifts and pitfalls to expect.

GloryTecks Team
Read
Career Guidance
6 May 2026 5 min

From Service to Product Company: A Transition Guide

Moving from an IT services company to a product company changes more than the interview. The work shifts from delivering to a client's specification to owning outcomes and metrics. Using what product employers publish about the behaviour they hire for, this guide explains the differences and a plan.

GloryTecks Team
Read
Career Guidance
6 May 2026 7 min

How to Transition from Testing to Data Engineering

Software testers already share most of the technologies listed for data warehousing work, and about two in five of its core tasks build directly on testing. Task and technology data from O*NET shows exactly what carries over, what is new, and a step-by-step route from QA into data engineering through data quality work.

GloryTecks Team
Read
Data Science
6 May 2026 6 min

From Data Analyst to Data Scientist: A Transition Roadmap

A transition roadmap for working data analysts who want to become data scientists: what you already have that newcomers lack, the five gaps to close, a phased plan where each stage ends in a piece of work from your current job, how to reposition your CV, and the traps that slow most people down.

GloryTecks Team
Read