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 · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
The Unexpected Journey from SQL Parsing to Metadata Management
I Set Out to Build a DAG Visualizer. I Ended Up Building a Metadata Platform. Continue reading on Medium »

Medium · Machine Learning
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
The Only Data Science Resume Guide You Need in 2026 (ATS-Friendly + Examples)
“We received 847 applications for one junior Data Scientist role. I spent an average of 7 seconds on each resume before deciding yes or… Continue reading on Med

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
The Only Data Science Resume Guide You Need in 2026 (ATS-Friendly + Examples)
“We received 847 applications for one junior Data Scientist role. I spent an average of 7 seconds on each resume before deciding yes or… Continue reading on Med

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
The Cleanup Threshold Kept Moving. Here Is Why That Happens.
This is Week 2 of a 52-week series on environmental forensics, covering everything from raw data to defensible opinion. Continue reading on Medium »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Genie Isn’t Getting More Expensive. Your Blind Spot Is And Here’s the Fix…
Databricks’ July 6, 2026 Genie pricing update is being widely misread. The real story isn’t the billing model it’s that most enterprises… Continue reading on Me

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Wrapping up four years of work on gender violence and citizen data science — Our NSF Project…
This Project Outcomes Report describes the findings and publications of “HCC: Small: Human-Centered Computing to Support Citizen Data… Continue reading on Data

Forbes Innovation
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Data Centers In Space? Coming Soon, But With Down-To-Earth Hurdles
A new analysis out of JLL says getting data centers into orbit is easier than ever, but significant obstacles remain.

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Turning Data into Decisions: How AI Is Reshaping the Future of Business
Data is everywhere. Good decisions aren’t. Continue reading on Medium »

Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Volatility Risk Premium
How to Harvest the Risk Premium? Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Filtering with SQL: WHERE Clause Explained
Filtering is where SQL starts to feel useful. A table can show you everything. A filter lets you ask for only the rows that matter. Continue reading on CodeX »

Medium · Machine Learning
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
I Thought Data Science Was About Models. I Was Wrong.
When I started my Master’s in Data Science, I thought success was mostly about building machine learning models. Continue reading on Medium »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
I Thought Data Science Was About Models. I Was Wrong.
When I started my Master’s in Data Science, I thought success was mostly about building machine learning models. Continue reading on Medium »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
High-Frequency Trading 101: A Data Scientist’s Guide to Market Microstructure, Latency Arbitrage…
“In macro investing, you hold an asset for years and worry about value. In high-frequency trading, you hold an asset for microseconds and… Continue reading on M

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Excel Learning Journey — Day 08
Understanding Lookup Functions (VLOOKUP) Continue reading on Medium »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Your AI Model Isn’t the Problem. Your Data Is.
Why data intelligence, analysis, and engineering, not algorithms, decide whether AI actually creates value. Continue reading on Medium »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
How Airbnb’s “Smart Pricing” Levelled the Playing Field for Everyday Hosts : 2015
Inside the 2015 algorithm launch that turned complex market telemetry into an automatic 13% revenue boost. Continue reading on Medium »
Reddit r/datascience
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Does anyone gravitate toward an industry you don’t have experience in?
I'm pursuing an MS in Data Science with a focus on applied statistics. I currently work at a small fintech company in a niche operations role, and before that I

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
5 Python Libraries I Wish I Had Learned Earlier
They would have saved me months Continue reading on Python in Plain English »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
My Journey in the Big Data World — Data Through My Eyes
Ever got confused about data terminologies? So did I. Here’s a decade of clarity, chaos, and convergence. Continue reading on Medium »

Forbes Innovation
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Startup Raises $27 Million To Solve Two Massive Data Center Problems
Data centers are noisy and power-hungry. This startup might have a solution that prioritizes off-grid renewable energy.

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
The 8 MCP Servers Every Claude Code Setup Needs in 2026
Every server you connect taxes Claude Code’s tool budget — so this isn’t a list of 15. It’s the 8 that earn their slots, the config to add… Continue reading on

Forbes Innovation
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
How Driscoll's Is Turning Berries Into A Data-Driven Business
Driscoll's CIO Sankar Chinnathambi explains how AI, real-time data and a company-wide digital overhaul are keeping the world's berries fresh from field to store

KDnuggets
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
3 Pandas Tricks for Data Cleaning & Preparation
In this article, we will walk through three essential Pandas tricks to clean and prepare your data efficiently: declarative method chaining, memory and speed op
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Why Enterprise Self-Service Analytics Still Struggles in 2026: Lessons from Data-Driven…
Organizations worldwide continue to invest heavily in analytics platforms such as Power BI, Tableau, Looker, and cloud-native reporting… Continue reading on Med
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Open Arial Map: An opportunity for done pilots and tech enthusiasts to support the open sourced…
OpenAerialMap is a public platform for searching, sharing, and using openly licensed satellite and drone imagery, and it is especially… Continue reading on Medi
InfoQ AI/ML
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Podcast: Increasing Users' Data Agency: From BlueSky's AT Protocol to the Local-First Software Movement
Martin Kleppmann, an associate professor at Cambridge and author of Designing Data-Intensive Applications, discusses the evolution of data systems over the last
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Same Spec, Different Score: Lessons from the DQLab x UjiKompetensi Python Hackathon
What happens when every participant gets the exact same problem — but the results are worlds apart? Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
How to design a mixed-methods evaluation on a tight budget — Part 1: The design decisions that…
Every evaluator has sat in that room. Continue reading on Medium »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
How a Data Science Course in Kerala Can Fast-Track Your Tech Career in 2026
The global tech landscape is experiencing a massive shift driven by automation, predictive analytics, and artificial intelligence. At the… Continue reading on M

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Master Data Analytics with Generative AI
Step into the future of analytics with the Institute of Data Science and Analytics, Janakpuri. Continue reading on Medium »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Why Should Students Learn Data Science After Graduation?
Graduation is an exciting milestone, but it often comes with one important question: What skill should I learn next to build a successful… Continue reading on M

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Finally got to try Databricks hands-on (and now I get the hype)
I finally got hands-on training with Databricks a month ago. I’ve been hearing about it a lot, so I was curious what the actual value was… Continue reading on M

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
I Simulated 14,000 Drafts to See If 38–0 Is Possible
If you’ve been on football TikTok or Twitter recently, you’ve probably seen 38–0.app: spin a wheel, draft a player from whatever… Continue reading on Medium »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
My First Time Using PIVOT in SQL
As an analytics intern, I often find myself wrestling with raw data to get it into a shape suitable for reports and dashboards. In this… Continue reading on Med

Medium · Machine Learning
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Difference between bar chart and histogram?
A bar chart and a histogram may look similar, but they are used for different purposes. Continue reading on Medium »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Difference between bar chart and histogram?
A bar chart and a histogram may look similar, but they are used for different purposes. Continue reading on Medium »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
What are Tableau and Power BI, and how are they used in data analytics?
Tableau and Power BI are popular data visualization and business intelligence (BI) tools that help organizations analyze data and make… Continue reading on Medi
Medium · Startup
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Equal — AlgoTurk Research Teardown
Equal is an India‑based data‑sharing platform that pitches itself as a compliance‑first conduit for consented exchange of personal and… Continue reading on Medi

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
The Distribution Bottleneck: How Europe’s Grid Became the Slowest Layer of the Energy Transition
Five observations from European EV charging — and why the same pattern is now appearing in AI data centres, battery storage, and critical… Continue reading on M

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
SQL Joins Explained with Real Business Examples: A Complete Guide
Before we begin, if you haven’t read my previous article on MySQL LENGTH() VS CHAR_LENGTH() , I highly recommend checking it out first to… Continue reading on M

Medium · Machine Learning
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
How Predictive Analytics Is Driving Smarter Business Growth
In a world where data is the new currency, businesses that can anticipate future trends have a significant competitive advantage… Continue reading on Medium »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Why Car Ownership Cost Is Misunderstood (And How to Compare Cars Properly)
Most people approach car ownership with a simple mental model: Continue reading on Medium »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
How American Eagle Outfitters Defeated Retail's Biggest Margin Killer: Dead Stock
Inside the 2019–2022 supply chain revolution that replaced massive national warehouses with hyper-localized data nodes. Continue reading on Medium »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Blog #20 : From Raw Data to Insights — A Complete Python Walkthrough
So far in this series, we’ve explored: Continue reading on Towards Data Engineering »

Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Blog #20 : From Raw Data to Insights — A Complete Python Walkthrough
So far in this series, we’ve explored: Continue reading on Towards Data Engineering »
Reddit r/datascience
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Weekly Entering & Transitioning - Thread 15 Jun, 2026 - 22 Jun, 2026
Welcome to this week's entering & transitioning thread! This thread is for any questions about getting started, studying, or transitioning into the data sci

Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
I Ran Polars Against Pandas on 2 Million Rows, Here’s What I Found
An honest benchmark from a data science enthusiast who was skeptical of the hype. Continue reading on Medium »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
The Unfair Wealth Playbook: What Top Investors Actually Do
I analyzed 100+ long-form interviews with people who allocate billions. The rules they repeat, with numbers attached, aren’t the ones on… Continue reading on Da
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