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 · AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
2w ago
Apache Spark 101
Apache Spark (Hereafter referred to as ‘Spark’) is a data processing framework designed to process large-scale data using distributed… Continue reading on Mediu

Medium · AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
2w ago
You Don’t Need a Modern Data Stack You Just Need a Good Server
For the last decade, if you asked a startup how to count their daily active users, the answer was a $15,000-a-month Rube Goldberg machine. Continue reading on T

Medium · Programming
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
2w ago
You Don’t Need a Modern Data Stack You Just Need a Good Server
For the last decade, if you asked a startup how to count their daily active users, the answer was a $15,000-a-month Rube Goldberg machine. Continue reading on T

Medium · AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
2w ago
Predictive BI Won’t Eliminate the Data Worker. It Will Make Their Context More Valuable.
Every few years, the data world gets a new promise that sounds like liberation. Continue reading on Medium »
Towards Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
2w ago
Solving the 3Blue1Brown String Probability Problem (Without AI)
Let's practice data science thinking through a probability problem The post Solving the 3Blue1Brown String Probability Problem (Without AI) appeared first on To

Medium · Programming
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
2w ago
The Strangest Data Science News of 2024 (That No One Is Talking About)
Three counterintuitive discoveries that will change how you think about models, data, and scaling Continue reading on Medium »
Dev.to AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
2w ago
Exploring the Cosmos: A Guide to NASA's Eyes on Exoplanets Tutorial
Exploring the Cosmos: A Guide to NASA's Eyes on Exoplanets Tutorial As we continue to push the boundaries of space exploration, the search for exoplanets has be

Medium · AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
2w ago
The Death of the “Quick SQL” Ticket: Why Genie + Teams is a Data Engineer’s Best Friend
How combining Databricks AI/BI Genie with Microsoft Teams transforms data teams from reactive report pullers into scalable semantic… Continue reading on Medium
Towards Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
2w ago
BI Is Dead, Long Live BI
The true bottleneck was never the analysis. The post BI Is Dead, Long Live BI appeared first on Towards Data Science .
Medium · AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
2w ago
Can Data Centers Become Climate Solutions Instead of Energy Problems?
What if the infrastructure powering our digital lives could help solve some of the environmental challenges it currently creates? Continue reading on Medium »
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
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
Reddit r/learnprogramming
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Automating data extraction from a website
Hi everyone, I recently started working at a company where I have a monthly recurring task that involves extracting data from a website and pasting it into Exce
Dev.to AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
A Technical Guide to AI-Powered CSV Duplicate Removal
In the world of data, pristine datasets are a myth. From customer lists to inventory records, nearly every CSV file you encounter is likely to harbor a silent,
Medium · AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Maine Data Annotation Se Paise Kaise Kamaye? My Honest Review & Step-by-Step Guide
Data Annotation par kaam karne ka mera real experience, onboarding tips aur earning ka pura sach. Continue reading on Medium »
Dev.to AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Everhayes Academy (Everhayes Omnis Academy): Bridging Technology and Market Intelligence
The financial industry has always relied on information. From economic reports and corporate disclosures to market data and global news, the ability to process

Medium · AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Nobody Told Me Excel Would Ambush Me at the Worst Possible Moments
On being excellent at your job and occasionally cornered by a spreadsheet. Continue reading on Medium »

Medium · AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Pixhawk BIN Log Analysis: The Data-Driven Framework Every Drone Operator, Forensic Investigator…
How to unlock actionable intelligence from ArduPilot DataFlash logs — from raw .BIN files to full accident reconstruction and AI-ready… Continue reading on Medi

Medium · Programming
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
The Complete Data Analyst Interview Preparation Guide for 2026
Data Analysts play a critical role in helping organizations make data-driven decisions. Modern Data Analyst interviews focus not only on… Continue reading on Me
Towards Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Picking an Experimentation Platform: A Retrospective
My approach to guiding the choice between Eppo and Statsig, and the lessons learned The post Picking an Experimentation Platform: A Retrospective appeared first
Dev.to AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Sayora Tools: Your Free Solution for Loan, BMI, and Percentage Calculations
In everyday life, we constantly need quick and accurate calculations. Whether you're planning a loan, tracking your health, or calculating percentages for studi
Dev.to AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
How Excel is Used in Real-World Data Analysis
Introduction In today’s digital world, data is everywhere. Businesses, schools, hospitals and organizations collect large amounts of information every day. One

Medium · AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
You Didn’t Form a Hypothesis — You Dressed Up a Result in Disguise
HARKing: The Silent Statistical Sin That’s Quietly Breaking Science Continue reading on Medium »

Medium · AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
How many spreadsheets does your firm use every day?
Client trackers. Compliance schedules. Document lists. Workflow reports. Continue reading on Medium »

Medium · AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Kesalahan Data Cleaning yang Sering Dilakukan Pemula di Excel
Dalam proses analisis data, kualitas hasil sangat bergantung pada kualitas data yang digunakan. Data yang masih mengandung kesalahan… Continue reading on Medium

Medium · Programming
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
The Customer Asked For Export their data, I Thought It Was A Button
It starts with a small question, can we export our data?, then ya its not that easy hahahha Continue reading on Medium »

Medium · AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Most of Your Data Is Empty on Purpose
The emptiness is not a defect. It is the business, written down. And teaching a machine to read it is worth more than the model that sits… Continue reading on M

Medium · Programming
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Panduan Membuat Peta Dasar di ArcGIS, QGIS, dan Perangkat Lunak SIG Lainnya
5520125031076 | Informatika | Universitas Faletehan Continue reading on Medium »
Dev.to AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Why Are More Enterprises Choosing Snowflake for Data Management?
Introduction Data has become one of the most valuable assets for modern organizations. From customer interactions and financial transactions to operational metr
Dev.to AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Designing an Observability-First Data Platform: Architectures, Patterns, and Practical Pipelines
Designing an Observability-First Data Platform: Architectures, Patterns, and Practical Pipelines Designing an Observability-First Data Platform: Architectures,

Medium · AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
When should a schema change itself?
Organizations write their reality into documents far faster than anyone can model it. The structures we use to represent that reality —… Continue reading on Gen

Medium · Programming
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
OpenStreetMap in Python intro
OpenStreetMap programming lets you explore and understand urban environments in a different way. It is a rich data source that contains… Continue reading on Med
Towards Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
4w ago
I Spent May Evaluating Different Engines for OCR
Testing fourteen engines on ninety-three human documents The post I Spent May Evaluating Different Engines for OCR appeared first on Towards Data Science .

Medium · AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
4w ago
Why Python Is Becoming the Preferred Language for Data Science
In today’s digital world, data plays a crucial role in shaping major business decisions. Companies rely on data to understand customer… Continue reading on Medi

Medium · Programming
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
4w ago
Global Data Science Salary Analysis
An end-to-end analytics project using Python with custom synthetic dataset , MySQL, exploratory data analysis, and statistical hypothesis… Continue reading on M

Medium · AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
4w ago
Why Data Science Is One of the Most In-Demand Skills Today
Data Science has become one of the fastest-growing fields in the technology industry. Organizations across healthcare, finance, e-commerce… Continue reading on
Dev.to AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
4w ago
Designing a scalable event-sourced analytics platform with CQRS and a data lakehouse pattern
Designing a scalable event-sourced analytics platform with CQRS and a data lakehouse pattern Designing a scalable event-sourced analytics platform with CQRS and
Reddit r/learnprogramming
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
4w ago
R, Python, and SQL for Neuroscience
I am currently doing my undergraduate degree in Neuroscience and want to work in labs in my 2nd, 3rd, and 4th year. I believe that having knowledge of programmi

Medium · Programming
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
4w ago
One Click and My Colleague Stopped the Meeting
What happens when a data person builds something just for themselves and it works a little too well Continue reading on Medium »
Reddit r/learnprogramming
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
4w ago
Stacked between data analytics courses.
i was thinking to shift my career from bba to data analytics. what courses should i do and from where should i do. i have heard google certification will do goo
Towards Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
4w ago
Exploring Income Patterns with Python Pandas, Matplotlib, and Seaborn
Exploratory data analysis on the US Census Dataset The post Exploring Income Patterns with Python Pandas, Matplotlib, and Seaborn appeared first on Towards Data
Dev.to AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1mo ago
The Best Data Asset Strategist (2026 Ranking)
Originally published at https://www.meethayat.com/best-data-asset-strategist/ <img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2C
Medium · AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1mo ago
ClickHouse vs MongoDB: When Milliseconds Become Minutes
A benchmark-driven look at how the same analytical query runs 100–1000x faster on a columnar engine than on a row store. Continue reading on Medium »
Dev.to AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1mo ago
Business Objects to Power BI Migration: What We Learned from Enterprise BI Modernization Projects
If there's one thing we've learned from working on enterprise analytics transformations, it's this: Business intelligence migration projects are rarely about te
Towards Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1mo ago
Escaping the Valley of Choice in BI
Why Agentic BI threatens an entire profession The post Escaping the Valley of Choice in BI appeared first on Towards Data Science .

Medium · Programming
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1mo ago
If You Understand These 5 Database Concepts, You’re Immune to Tech Hype
Stop falling for vendor marketing. Underneath the shiny new logos, every database obeys the exact same laws of physics. Continue reading on Medium »
Dev.to AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1mo ago
Browser Is the New DLP Control Plane | A R.A.H.S.I. Framework™ Analysis of SaaS, AI and Enterprise Data Security
Browser Is the New DLP Control Plane | A R.A.H.S.I. Framework™ Analysis of SaaS, AI, and Enterprise Data Security <img src="https://media2.dev.to/dynamic/image/

Medium · Programming
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1mo ago
Easily Remove Outliers in Power Query(.pbix included)
Data cleaning is one of the most critical steps in analytics, and outlier removal often determines whether insights are trustworthy or… Continue reading on Medi
DeepCamp AI