Data Analysis
New
dbt for Analysts: How to Transform and Document Your Data Without a Data Engineer
Learn how dbt empowers data analysts to build reliable, documented data models in SQL without relying on a data engineering team.
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The journal
Notes from
the workbench.
Practical guides on test analysis, data analysis, business intelligence, and business analysis — written for practitioners, not search engines.
16 articles
Business Intelligence
New
Semantic Layer 101: How BI Developers Are Eliminating Metric Chaos in 2026
Learn how BI developers are using semantic layers to create a single source of truth for metrics and finally end inconsistent reporting across teams.
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Data Analysis
New
Data Contracts Explained: How Analysts Are Preventing Pipeline Failures in 2026
Learn what data contracts are, why they matter for data reliability, and how analysts can use them to stop broken pipelines before they cause real damage.
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Business Intelligence
Using ChatGPT in Power BI: Building Smarter Reports with Generative AI
Learn how to integrate ChatGPT with Power BI using Power Query, Python scripts, and Power Automate to build smarter, AI-powered dashboards.
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Data Analysis
Python vs Excel: Which is Better for Data Analysis? (2025 Guide)
A comprehensive comparison of Python and Excel for data analysis — covering strengths, limitations, use cases, and career impact to help you choose the right tool.
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Test Analysis
API Testing with Postman: The Essential QA Checklist (2025 Edition)
A six-stage API testing checklist for QA teams using Postman — covering setup, request validation, response assertions, automation, and CI/CD integration.
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Career
What Exactly Does a "Tech-Savvy" Analyst Look Like in 2025?
Being tech-savvy in 2025 means more than knowing a few tools. Explore the mindset, core traits, and tech stack that define a truly modern analyst across Test, Data, BI, and Business Analysis.
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Business Intelligence
Embracing Self-Service BI: Empowering Users and Enhancing Efficiency
Discover how self-service BI tools like Power BI, Tableau, and Looker Studio are shifting data power to business users — and what BI professionals need to do to keep pace.
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Career
Top Skills for Analysts in 2025: Staying Ahead in a Competitive Landscape
Discover the critical skills that Test, Business, Data, and BI analysts need to stay competitive in 2025 — from AI literacy to real-time data handling.
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Data Analysis
Data Mesh and Real-Time Analytics: The Future of Data Analysis
Explore how Data Mesh architecture and real-time analytics are reshaping data teams — and what modern analysts need to know to thrive in this new paradigm.
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Test Analysis
AI-Powered Testing in 2025: Revolutionising Quality Assurance
Explore how artificial intelligence is transforming software testing — from automated test case generation to predictive defect detection — and how QA teams can get started.
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Business Analysis
Harnessing Generative AI for Enhanced Requirements Management
Discover how generative AI is transforming requirements gathering and documentation — from drafting user stories to reviewing ambiguity, and what it means for Business Analysts.
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Business Intelligence
Power BI vs Tableau in 2025: Which Should You Learn?
A practical comparison of Power BI and Tableau for data analysts in 2025 — covering learning curve, career impact, salary data, and which tool to prioritise.
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Data Analysis
5 Free Public Datasets Every New Analyst Should Practice With
Jump-start your data analysis skills with these five free, real-world datasets — perfect for building your portfolio and practising everything from data cleaning to machine learning.
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Business Analysis
BRD vs. FRD: What's the Difference and Why It Matters?
A clear breakdown of Business Requirements Documents vs Functional Requirements Documents — what they contain, who they're for, and why every BA needs both.
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Test Analysis
Top Testing Tools for 2025: Review and Comparison
A practical review of the top software testing tools in 2025 — from Playwright and TestRail to AI-driven platforms — and how to choose the right one for your team.
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