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.
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Data Analyst Salary in Hyderabad 2026: What Moves an Analyst's Pay
Analyst pay varies more than most people expect, and two things the analyst controls stand out in real 2025 survey data: whether they code, and which industry they work in. This guide shows both, compared fairly with same-experience peers, and explains what it means for analysts in Hyderabad.
How to Build a Data Analyst Portfolio in 2026
How to build a data analyst portfolio in 2026 that reviewers actually open and read: what they check in the first few minutes, a hub page and case-study structure for analyst work, publishing dashboards without exposing data you should not, presenting SQL and spreadsheets, and a checklist to run before you apply.
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.
How to Tell a Story with Data: A Practical Framework
A framework for telling a story with data: five steps, context, change, cause, consequence and choice, organised with the main message first so the audience never gets lost, applied to a real online retailer's year from a flat summer to a pre-Christmas surge, with the chart for each step and the traps to avoid.
SQL for Data Analysts: The Queries You Need Daily
The SQL an analyst writes every day, each query run on a real sample database: profiling a table before trusting it, reconciling totals, monthly reports that keep empty months, share of total with a window, period-over-period change with LAG, new versus returning customers and the latest record per customer.
Spreadsheet to Insight: A Repeatable Analysis Workflow
A repeatable workflow for turning a raw spreadsheet into an insight, followed end to end on a real 541,909-row sales workbook: writing the question down, fingerprinting the raw file, logging what every cleaning rule removes, answering the question, reconciling before sharing, and making the whole analysis rerunnable.