Tech Skills

Data Analytics & Business Intelligence

Excel, SQL, Power BI, Tableau — turn raw data into business decisions

16,833
lessons
Skills in this topic
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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
All Reads (7,362) Articles (3027)Blog Posts (3428)Tutorials (372)Research Papers (39)News (496)
The Only Data Science Resume Guide You Need in 2026 (ATS-Friendly + Examples)
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
The Cleanup Threshold Kept Moving. Here Is Why That Happens.
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 »
Genie Isn’t Getting More Expensive. Your Blind Spot Is And Here’s the Fix…
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
Wrapping up four years of work on gender violence and citizen data science — Our NSF Project…
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
Data Centers In Space? Coming Soon, But With Down-To-Earth Hurdles
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.
Turning Data into Decisions: How AI Is Reshaping the Future of Business
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 »
Volatility Risk Premium
Medium · Python 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 3w ago
Volatility Risk Premium
How to Harvest the Risk Premium? Continue reading on Medium »
Filtering with SQL: WHERE Clause Explained
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 »
Filtering with SQL: WHERE Clause Explained
Medium · Programming 📊 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 »
I Thought Data Science Was About Models. I Was Wrong.
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 »
I Thought Data Science Was About Models. I Was Wrong.
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 »
High-Frequency Trading 101: A Data Scientist’s Guide to Market Microstructure, Latency Arbitrage…
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
Excel Learning Journey — Day 08
Medium · Data Science 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 3w ago
Excel Learning Journey — Day 08
Understanding Lookup Functions (VLOOKUP) Continue reading on Medium »
Your AI Model Isn’t the Problem. Your Data Is.
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 »
How Airbnb’s “Smart Pricing” Levelled the Playing Field for Everyday Hosts : 2015
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
Reddit r/artificial 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 3w ago
Aide dans mon travail
Bonjour je travail beaucoup sur du data cleansing au travail ce qui est assez long je dois exporter des sap pour mettre en forme et croiser la donnes sur de lar
5 Python Libraries I Wish I Had Learned Earlier
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 »
My Journey in the Big Data World — Data Through My Eyes
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 »
Startup Raises $27 Million To Solve Two Massive Data Center Problems
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.
Dev.to AI 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 3w ago
Structured Data Extraction from PDFs: Regex vs Template Matching vs AI
Invoice processing is one of those problems that looks simple until you actually try to build it. Reading data from a PDF invoice should be straightforward — bu
The 8 MCP Servers Every Claude Code Setup Needs in 2026
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
How Driscoll's Is Turning Berries Into A Data-Driven Business
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
How We Built an Adult Height Predictor: The Math, the Science, and the Edge Cases
Dev.to · Fitness Tools 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 3w ago
How We Built an Adult Height Predictor: The Math, the Science, and the Edge Cases
Ever wonder how those "how tall will my child be?" calculators actually work? They're not magic — but...
Dev.to AI 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 3w ago
Which Data Analytics Certification Is Best? Complete Comparison
The demand for data analytics professionals has grown significantly over the last few years. Organizations today rely on data to understand customer behavior, i
3 Pandas Tricks for Data Cleaning & Preparation
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
Open Arial Map: An opportunity for done pilots and tech enthusiasts to support the open sourced…
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 »
Day 5 of #100DaysOfDSA : Kadane’s Algorithm
Medium · Programming 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 3w ago
Day 5 of #100DaysOfDSA : Kadane’s Algorithm
After spending the last few days solving array problems, today’s challenge introduced one of the most famous algorithms in Data Structures… Continue reading on
How a Data Science Course in Kerala Can Fast-Track Your Tech Career in 2026
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
Master Data Analytics with Generative AI
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 »
Why Should Students Learn Data Science After Graduation?
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
The Future of Data Security: Unveiling the Power of Database Backup & Restore
Dev.to · Visakh Vijayan 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 3w ago
The Future of Data Security: Unveiling the Power of Database Backup & Restore
In the ever-evolving landscape of data management, ensuring the security and integrity of information...
Palantir's NHS data deal called in for a second opinion
The Register 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 3w ago
Palantir's NHS data deal called in for a second opinion
Experts welcome contract review after claims NHS England missed chance to grow UK health tech market
Real-Time Metrics Dashboards with SQL: Patterns That Actually Scale
Dev.to · Vivek Kumar 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 3w ago
Real-Time Metrics Dashboards with SQL: Patterns That Actually Scale
A practical guide to building real-time metrics dashboards on top of a relational database — pre-aggregation, materialized views, LISTEN/NOTIFY, and the gotchas
Finally got to try Databricks hands-on (and now I get the hype)
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
5 Tableaux Wikipédia qui Plantent la Plupart des Scrapers (Et Comment les Corriger)
Dev.to · circobit 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 3w ago
5 Tableaux Wikipédia qui Plantent la Plupart des Scrapers (Et Comment les Corriger)
Wikipédia est la source la plus courante de données tabulaires web. C'est aussi un champ de mines de...
I Simulated 14,000 Drafts to See If 38–0 Is Possible
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 »
I Simulated 14,000 Drafts to See If 38–0 Is Possible
Medium · Programming 📊 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 »
My First Time Using PIVOT in SQL
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
Difference between bar chart and histogram?
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 »
Difference between bar chart and histogram?
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 »
What are Tableau and Power BI, and how are they used in data analytics?
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
The Distribution Bottleneck: How Europe’s Grid Became the Slowest Layer of the Energy Transition
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