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
Medium · Startup
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
A 70% Favorite Is Not a Promise: What a Spinning Wheel Can Teach Us About World Cup Upsets
*I built a probability wheel powered by live prediction-market odds to make one idea impossible to ignore: “unlikely” is not “impossible.”* Continue reading on
Dev.to · Mohammad Meezan
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
My first data analytics projects
Today I got hands on my first data analytics project which was a healthcare dataset. First I got the...
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
My Power BI Learning Journey
A month ago, I started my training as a beginner in Data Analytics at Dataleum. So far, the experience as both been rewarding and… Continue reading on Medium »
Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
How Enterprises Can Modernize Analytics Workloads by Migrating from On-Prem to Azure and Snowflake
A practical playbook for data and engineering leaders navigating the transition from legacy platforms to a cloud-native analytics stack Continue reading on Capi
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
I Let My Old Code Judge My Current Skills
A few weeks ago, I opened a Python project I had built years ago. Continue reading on Stackademic »
Reddit r/learnprogramming
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Nursing student transitioning to Health Data Science! Just built my first structured R repository. Is it looking rough?
Hi everyone! Hope you're doing well. I'm a 20-year-old Nursing student at a federal university in Brazil, and my ultimate career goal is to transition into Heal
Dev.to · Kai Thorne
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
I Analyzed 59 Dev.to Articles With Python — Here’s What 10,000 Hours of Writing Taught Me About Getting 0 Views
I pulled all 59 of my dev.to articles via API and analyzed view counts. 76% have 0 views. Here’s the Python script I used, what the data says, and exactly what
Reddit r/datascience
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Is my tech stack becoming a liability for future job prospects?
Saw a comment recently about how working with an old tech stack can make you less employable over time, so wanted to get some feedback on what I use daily. I pr
Dev.to · FatherSon
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
How Wise Is the Crowd in Prediction Markets? A Microstructure Analysis
The long-standing assumption that prediction markets are highly efficient “wisdom of the crowd”...
Dev.to · Adeyinka Joseph
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
How I’d Learn Data Analysis in 2026 (If I Had to Start From Zero)
Everyone says: “Learn Python, build projects, become a data analyst.” But that advice is...
Dev.to · I Want To Learn Programming
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
SQL for data analysis, the 10 query patterns that matter
Most analytical SQL is a handful of repeating patterns. Master joins, group by, window functions, CTEs, cohorts, funnels, and retention, and you can answer almo
Medium · Machine Learning
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Notes on Making Research Slides Less Ugly
Most research slides are built like papers. They shouldn’t be. Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
My World Cup Model Disagrees With the Entire Betting Market.
Before a ball was kicked, I froze a forecast for all 104 matches: Spain 28%, markets said 15.5%. Now there is a public scoreboard showing… Continue reading on M
Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Five things nobody told us about running AWS Glue at scale
The tutorials get you to “job succeeded.” They don’t tell you what production feels like. Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
The Candidate Knew Every Formula.
I once sat in on a technical interview for a mid-level data scientist role that I will never forget. The candidate was academically… Continue reading on Medium
Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Best Data Science Mentors in India
Data science is one of the most promising and rapidly growing fields in the world today. With its applications ranging from healthcare and… Continue reading on
Medium · RAG
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
From Reporting to Reasoning: Can Existing Data Models Support GenAI?
I spent many years building Data Warehouses and Data Lakes for descriptive analytics — systems designed to answer what happened… Continue reading on Medium »
The Next Web AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
KPMG secretly and repeatedly accessed a whistleblower’s computer, then shared the files with its CEO
KPMG secretly and repeatedly accessed a whistleblower’s work computer to extract documents detailing their allegations of data misuse, then shared the material
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Modeling the Matrix: How to Predict the 2026 World Cup Winner Using Data Science
With the FIFA World Cup 2026 finally here, everyone is making predictions. Fans are screaming at television screens, pundits are filling… Continue reading on Me
Dev.to · Matheus Dallacort
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Modern Data Stack Migration — Day 1: Scaling to 8+ Companies with DRY Architecture and Chasing a $2M Discrepancy
Hello everyone! Following up on my previous post, Day 1 of my Modern Data Stack migration was an...
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
The Quiet AI Shift Saving Enterprises Millions: Why Data Lakehouse Migration Is Becoming a…
Most enterprise leaders are not asking how to collect more data anymore. Continue reading on Medium »
Medium · Machine Learning
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Why Do Some Data Science Initiatives Deliver Results While Others Fail?
Organizations across industries are investing heavily in data science to improve decision-making, optimize operations, and gain a… Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Why Do Some Data Science Initiatives Deliver Results While Others Fail?
Organizations across industries are investing heavily in data science to improve decision-making, optimize operations, and gain a… Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
From Pipelines to Data Agents: How Cloud Data Management Changed in 2026
A few years ago the biggest cloud data management problem was getting data to move reliably from one place to another. Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
E-commerce Sales Analysis
Background This project analyses a Superstore retail dataset using Power BI to understand sales performance, profitability, customer… Continue reading on Medium
Dev.to · Hulk helios
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Building GeoPrizm: Turning Global News Events into a Bilateral Relations Index
I recently built GeoPrizm, a free and open-source dashboard for tracking bilateral relations through...
Medium · AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
AI/ML-Integrated Data Warehousing: The Future of Intelligent Data Management
Every day, businesses generate billions of data points. Yet collecting data alone is no longer enough. The real challenge is transforming… Continue reading on M
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
The Cheapest Flights That 69% of Passengers Skip. Why the Lowest Price Doesn’t Always Win
Analyzing Kupibilet.ru data to discover how users balance savings and comfort — and what they are actually willing to pay extra for. Continue reading on Medium
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Master Data Analytics with AI at IDSA Janakpuri!
Looking to upskill in Data Analytics with AI in West Delhi? The Institute of Data Science and Analytics, Janakpuri offers industry‑focused… Continue reading on
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Pixhawk BIN Log Analysis: The Data-Driven Framework Every Drone Operator, Forensic Investigator…
How to Turn ArduPilot DataFlash Logs into Actionable Intelligence Continue reading on Medium »
Dev.to · Phylis Jepchumba, MSc
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
#powerbi
What is Power BI? A Complete Beginner's Guide to Microsoft's Data Platform ...
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Pixhawk BIN Log Analysis: The Data-Driven Framework Every Drone Operator, Forensic Investigator…
How to Turn ArduPilot DataFlash Logs into Actionable Intelligence Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Cara Membuat Query SQL Pertama dengan ChatGPT untuk Pemula
Belajar SQL tidak lagi harus dimulai dengan menghafal berbagai sintaks yang rumit. Kini, ChatGPT dapat membantu pemula memahami konsep SQL… Continue reading on
Medium · Programming
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
How Data Science Is Transforming Modern Businesses
In today’s digital economy, businesses generate vast amounts of information every day. From customer interactions and online transactions… Continue reading on M
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
How We Built a Real-Time Implied Volatility Engine for Commodity Options
Every options trader knows the feeling: the market moves, your Greeks shift, and somewhere beneath the noise, there’s a volatility surface… Continue reading on
Medium · Startup
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Why Reports Rarely Produce Truth
How Assessment-Driven Learning Loops Beat Compliance Theater Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Live 1-on-1 vs Pre-Recorded Courses: What Actually Works for Learning Data Analytics in 2025?
Data Analytics continues to be one of the most sought-after skills in 2025. Organizations across industries are investing heavily in… Continue reading on Medium
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Build a Future with Data-Driven Skills
In the modern digital economy, data plays a vital role in helping businesses make informed decisions and improve performance. Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
What is Data Cleaning & Pre processing?
Data Cleaning & Pre processing is the process of preparing raw data for analysis by identifying and correcting errors, inconsistencies… Continue reading on Medi
Dev.to AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Decoding Stable Markets: Unpacking the Tech Behind Flat S&P 500, Nasdaq, Bitcoin, and Gold Prices
Introduction to Stable Markets The current market stability, with the S&P 500, Nasdaq, Bitcoin, and Gold prices remaining relatively flat, has sparked inten
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
4w ago
Top 10 Data Science Courses in India 2026: Best Certifications, Placements, Fees & Career Outcomes
Looking for the best Data Science course in India? Compare the top 10 Data Science courses in 2026 based on curriculum, AI and Machine… Continue reading on Medi
Dev.to · Pure Life Tribe
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
4w ago
SQL Explorer: Run Full SQL on CSV, Parquet & JSONL Files in Your Browser
Query large local files with industry-grade SQL — without uploading anything. Utilora SQL Explorer...
ArXiv cs.AI
📊 Data Analytics & Business Intelligence
📄 Paper
⚡ AI Lesson
4w ago
A Survey on Semantic Modeling for Building Energy Management
arXiv:2404.11716v2 Announce Type: replace Abstract: Building Energy Management (BEM) is central to reducing energy use and CO2 emissions in the building sector.
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
4w ago
Designing a Smarter Library Search System: A Practical Application of Binary Search at Navotas…
By Eldrex Bula Project Lead • Developer • Designer • Researcher Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
4w ago
Marketing Has a Model Now. Here Is How I Built It.
In Part 1 I built an OLS regression model on three years of B2B marketing data across eight channels. Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
4w ago
Three Geopolitical Shocks. Three Completely Different Markets.
What Python, options skew, and news sentiment revealed about how markets price fear Continue reading on Predict »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
4w ago
The Hardest Part of Data Work Isn’t the Data
This post is part of my 2026 series, From Insight to Impact, where I explore what practical, real-world analytics looks like beyond tools… Continue reading on M
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
4w ago
Data Warehousing & Modeling: Star Schema, Snowflake & SCDs Explained (2026)
Master data warehousing and dimensional modeling — OLAP vs OLTP, star schemas, snowflake schemas, fact and dimension tables, and Slowly… Continue reading on Med
DeepCamp AI