Tech Skills
Data Analytics & Business Intelligence
Excel, SQL, Power BI, Tableau — turn raw data into business decisions
Skills in this topic
7 skills — Sign in to track your progress
Data Literacy
beginner
Write SELECT queries with JOIN and GROUP BY
Excel & Spreadsheets
beginner
Build a dynamic dashboard with pivot tables and slicers
SQL Analytics
intermediate
Write window functions (ROW_NUMBER, LAG, LEAD)
BI Tools
intermediate
Build an interactive dashboard from a SQL source
Python for Data
intermediate
Clean and transform a messy dataset with pandas
Data Storytelling
intermediate
Build a stakeholder dashboard with a narrative structure
ML for Analytics
advanced
Build a churn prediction model
Showing 729 reads from curated sources
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Augmented Analytics vs.
I spent years building BI reports that nobody read. Here’s what I wish I’d understood sooner. Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Making Inventory Management Smarter with ABC-XYZ Analysis
Link to problem and notebook: https://www.kaggle.com/code/cheenarawat/abc-xyz-analysis Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
The Silent Pulse of Knowledge: Why Data is the Soul of Sustainability
The true lifeblood of the organization flows elsewhere Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
A Brief History of Data Visualization
Data visualization isn’t just about fancy charts in BI reports; it is the oldest and powerful analytical tool. Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Why Bitcoin Keeps Failing to Break Key Price Levels – And What It Really Means for You
Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Data Lakehouse Architecture Explained: The Best of Data Lakes and Data Warehouses
One paradigm to end the decade-long war between storage and structure. Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
The Real Cost of Petrol in India: A Data-Driven Breakdown
04/18/2026 04:02 PM IST Continue reading on Medium »
Medium · AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Your Data Pipeline Works Until It Suddenly Doesn’t
Why your “reliable” batch architecture is secretly choking your AI — and how to fix it before the dashboard goes red. Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Your Data Pipeline Works Until It Suddenly Doesn’t
Why your “reliable” batch architecture is secretly choking your AI — and how to fix it before the dashboard goes red. Continue reading on Medium »
Medium · Startup
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Your Data Pipeline Works Until It Suddenly Doesn’t
Why your “reliable” batch architecture is secretly choking your AI — and how to fix it before the dashboard goes red. Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
How AI Is Reshaping Data Engineering: A Practical Guide With Examples
From self-healing pipelines to intelligent schema detection, AI is not replacing data engineers. It is making them 10x more effective. Continue reading on Learn
Medium · Programming
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
How AI Is Reshaping Data Engineering: A Practical Guide With Examples
From self-healing pipelines to intelligent schema detection, AI is not replacing data engineers. It is making them 10x more effective. Continue reading on Learn
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
How I Discovered WhiteScholars’ Data Science Course
Over the past few weeks, I’ve been receiving quite a few messages asking how I came across the data science course offered by… Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Optimizing Business and Budgeting Strategies for Crunchy Corner
Crunchy Corner, one of India’s largest fast-food restaurant chains, serves millions of customers daily across various cities with an… Continue reading on Medium
Dev.to AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Free Chart Designing Tool — Turn CSV Data into Clean Charts in Seconds
Most of the time, making charts is harder than it should be. You open a tool → create an account → upload data → adjust settings → export → repeat. I didn’t lik
Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Understanding SQL Server DDL Commands (With Deep Explanation)
When working with databases, one of the most fundamental concepts you’ll encounter is DDL (Data Definition Language). In SQL Server, DDL… Continue reading on Me
Medium · JavaScript
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Understanding SQL Server DDL Commands (With Deep Explanation)
When working with databases, one of the most fundamental concepts you’ll encounter is DDL (Data Definition Language). In SQL Server, DDL… Continue reading on Me
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
*176* CAR-T Therapy Does Not Correct the Disease — It Removes the Conditions That Make It Possible
CAR-T therapy, presented as having enabled the complete remission of several severe autoimmune diseases, is often described as a major… Continue reading on Medi
Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
stack, queue, deque
三個滿類似的 資料結構，可以放在一起看，只是存資料、拿資料的順序不同，稍微記一下語法就行。 Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
SQL Relationships for Interviews: A Practical Guide to (1:1, 1:N, M:N) Relationships
If you want to become strong in SQL, understanding relationships is non-negotiable. Every real-world database — from e-commerce to fintech… Continue reading on
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Data Engineering 101 — Part 4 Data Warehouse vs Data Lake vs Data Lakehouse: Where Does Your Data…
Introduction Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Inteligência de Dados na Retenção de Talentos: Como usar o CRISP-DM para reduzir o turnover
As técnicas para isolar os reais ofensores da rotatividade e propor soluções baseadas em evidências. Continue reading on Medium »
Medium · Programming
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Redefining Data Engineering in the Age of AI
From Pipelines to Knowledge Infrastructure in 2026 Continue reading on CodeX »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
10 Data Vault Modeling Concepts for Modern Warehouses Asked in 2026 Interviews
Core Data Vault principles and patterns candidates are expected to understand for scalable, auditable data models Continue reading on Medium »
Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
How I Extract Stock Market Data for My ETL Pipeline (Indian Market)
The NIFTY 50 in the Indian Stock Market has 50 valuable stocks. But it’s difficult to consider one of them for the trade. We are choosing… Continue reading on T
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
What Predicts Survival in Hypertensive Patients? Lessons from a Nigerian Teaching Hospital
A logistic regression study of 320 patients at UITH reveals that age, not gender or length of stay, is the primary predictor of patient… Continue reading on Med
Medium · Machine Learning
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
10 Partitioning Techniques That Actually Speed Up SQL Queries
Practical partitioning strategies that reduce scan size, improve Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
10 Partitioning Techniques That Actually Speed Up SQL Queries
Practical partitioning strategies that reduce scan size, improve Continue reading on Medium »
Medium · Machine Learning
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
A practical guide to data cleaning, preprocessing, and handling messy datasets using Pandas…
Introduction Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Fuzzy Association Rule Mining
Discover how fuzzy logic makes association rule mining more realistic and powerful for real-world data. Continue reading on Medium »
Medium · Machine Learning
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Complete Guide to SQL, DBMS & RDBMS — From Fundamentals to Indexing, Query Execution and Scalable…
Understand how databases actually work — from basic SQL queries to scalable cloud systems used in real-world applications like e-commerce… Continue reading on M
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
You Do Not Need a $100,000 Degree. You Need These Books
Photo by Microsoft Copilot on Unsplash Continue reading on Medium »
Medium · Programming
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
How to Approach Any Data Modeling Question in a FAANG Interview
A practical guide for senior data engineers who know the theory but struggle with interview sequencing. Continue reading on Medium »
Medium · Machine Learning
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
pyhctsa is Here. And It Might Change How You Analyze Time Series.
Supercharge your time-series analysis with over 4500 features derived from interpretable theory. Free, open-source, and native to Python. Continue reading on Me
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
pyhctsa is Here. And It Might Change How You Analyze Time Series.
Supercharge your time-series analysis with over 4500 features derived from interpretable theory. Free, open-source, and native to Python. Continue reading on Me
Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
pyhctsa is Here. And It Might Change How You Analyze Time Series.
Supercharge your time-series analysis with over 4500 features derived from interpretable theory. Free, open-source, and native to Python. Continue reading on Me
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
I Built a Full-Stack NYC Neighborhood Intelligence App
From 1.35 million raw 311 complaints to a live ML-powered dashboard with SHAP explainability — in five phases Continue reading on Medium »
Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
I Built a Full-Stack NYC Neighborhood Intelligence App
From 1.35 million raw 311 complaints to a live ML-powered dashboard with SHAP explainability — in five phases Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Your Data Is Lying to You — And That’s Hilarious
Why data governance is the most underrated competitive advantage in the room. Continue reading on Medium »
Medium · Machine Learning
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Between Mom and Algorithms: How Data Quietly Learns Us
A reflection on user behavior, algorithms, and the quiet influence of everyday technology Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Between Mom and Algorithms: How Data Quietly Learns Us
A reflection on user behavior, algorithms, and the quiet influence of everyday technology Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Small tips a data scientist should know
A data scientist must understand that data is rarely clean or complete most of the real work lies in cleaning, exploring, and questioning… Continue reading on M
Medium · AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Dados, dados, dados: entre governança, excelência e inovação na saúde
Vivemos um momento peculiar na história das ciências da saúde. Peculiar porque, ao mesmo tempo em que acumulamos volumes inéditos de dados… Continue reading on
Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
4w ago
Your Job Title Says Data Analyst. The Market Now Wants a “Context Engineer.” Here’s the Difference.
By Harsh Gupta Continue reading on Medium »
Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
4w ago
50 Stocks, 1 Strategy, 5 Survivors but 3 Outperforms
A random search through the market, a simple set of rules, and the rare few stocks where they actually work Continue reading on Medium »
InfoQ AI/ML
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
4w ago
Article: Lakehouse Tower of Babel: Handling Identifier Resolution Rules Across Database Engines
Lakehouse architectures enable multiple engines to operate on shared data using open table formats such as Apache Iceberg. However, differences in SQL identifie
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
4w ago
Isolating Outliers: How AI Dravexyron Protects Data Purity
Financial markets process millions of data points every second, making occasional data glitches and isolated flash crashes entirely… Continue reading on Medium
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
4w ago
SQL Skills Every Data Analyst Must Master in 2026
If you want to build a career in Data Analytics, SQL is the one skill that never becomes outdated. But what companies expect from analysts… Continue reading on
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