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 · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Rebuilding the Time Machine: Designing a Dual-Purpose Data Versioning System for Modern Backends…
In traditional software engineering, databases are treated as state machines. When a user updates their profile, a transaction executes an… Continue reading on

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
The Numbers Said Rite Aid Would Fail Years Before Bankruptcy
Four quantitative models uncovered warning signs long before Chapter 11. Continue reading on DataDrivenInvestor »

Forbes Innovation
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Why Has Data Access Become A Serious Governance Blind Spot?
The more information we all collect and retain, the bigger the challenges get, particularly when so much business data is unstructured.

Forbes Innovation
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
The Future Of Data Management Is Already Here
Value is not an afterthought here: It is literally what is being measured, in euros, with rigor and accountability.

Dev.to · Jitendra Devabhaktuni
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
SyntheholDB for Pharma & Clinical Research Teams: Stop Letting Data Access Kill Your Pipeline
Published on dev.to · Target audience: Pharma engineers, CROs, clinical data architects,...

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Wearable Data and the Nervous System
You’re Tracking Everything. Understanding Nothing. Continue reading on Medium »

Medium · Deep Learning
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Building an Early Warning Signal for Balance Volatility in Business Banking
In banking, significant customer deterioration rarely happens overnight. Continue reading on Medium »
Techpoint Africa
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Public data is a national asset, not a revenue shortcut
A trusted data economy will not be built by selling what citizens submitted in good faith. It will be built by proving that Kenya can turn data into public valu

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Why Haven’t You Started Learning Data Analytics or AI Yet?
Why Haven’t You Started Learning Data Analytics or AI Yet? Continue reading on Medium »

Medium · Machine Learning
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Industry-Focused Learning Programs for Data Science Aspirants
There is a reason as to why some data science students graduate with job offers and some graduate with confusions — and it has nothing to… Continue reading on M

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Industry-Focused Learning Programs for Data Science Aspirants
There is a reason as to why some data science students graduate with job offers and some graduate with confusions — and it has nothing to… Continue reading on M

Hackernoon
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
The FIFA World Cup Effect: Does Hosting the Tournament Change Soccer Participation?
The 2026 FIFA World Cup could drive significant growth in youth soccer across the United States. Previous host countries, including the U.S. (1994), Germany (20

Dev.to · Kanishga Subramani
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Day 31: Ingesting Data from Kafka into ClickHouse®
Introduction Real-time data ingestion is a fundamental requirement for modern analytics...
Dev.to AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
The Role of AI-Powered Analytics in Improving Operational Efficiency
Organizations today generate vast amounts of operational data from business applications, customer interactions, supply chains, and internal processes. While da
The Register
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Datacenters dip a toe back into waterborne computing despite obvious challenges
Floating or sub-surface bit barns are all the rage, but unlikely to compete with multi-gigawatt sites

Medium · AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Why Data Quality Matters More Than Artificial Intelligence Models
Artificial Intelligence has transformed the way organizations analyze information, automate processes, and make strategic decisions. While… Continue reading on

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
How to Build 1-Minute OHLC Bars from Non-Uniform Market Snapshot Data
In financial markets, every price tells a story — but raw snapshot data, arriving every few seconds in irregular bursts, tells it in a… Continue reading on Medi

Medium · Machine Learning
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
From Software Engineer to Data Scientist: What They Don’t Tell You
I spent five years writing clean, deterministic code before switching to data science. I assumed the transition would be relatively… Continue reading on Medium
Medium · Machine Learning
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
How I Built a Customer Churn Predictor That Actually Explains Why Customers Leave
Most churn models tell you who might leave. Mine tells you why — and that changes everything. Continue reading on Medium »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Apakah Sertifikat Excel Bisa Membantu Diterima Kerja?
Di tengah persaingan dunia kerja yang semakin ketat, para pencari kerja berlomba-lomba menambah berbagai sertifikat ke dalam curriculum… Continue reading on Med

Dev.to · Review Laptop
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Data Science Workload: Giới hạn RAM trên Dell Pro Max 14 MC14250
Trong lĩnh vực Data Science, việc quản lý tài nguyên hệ thống là một bài toán cân não. Khi bạn chạy...

Dev.to · Stephen Omengo
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Understanding Subqueries and CTEs in SQL: A Complete Guide
Working with relational databases often requires breaking down complex problems into manageable...

VWO Blog
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Common Pitfalls in Scaling A/B Testing Programs
Teams often kickstart A/B testing programs with a handful of tests backed by a straightforward process and a shared doc. That works well enough at low volume. E

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
The “Metric-and-Chart” Matrix: A Masterclass in Data Storytelling
Why traditional dashboards fail executives, and how to programmatically build the ultimate hybrid visualization in Python. Continue reading on Medium »

Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
The “Metric-and-Chart” Matrix: A Masterclass in Data Storytelling
Why traditional dashboards fail executives, and how to programmatically build the ultimate hybrid visualization in Python. Continue reading on Medium »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
What Is the Data Analytics Salary In India in 2026?
In the era of data, one of the most gratifying career fields, and forward looking fields is that of Data analytics. Data is essential for… Continue reading on M

Dev.to · stampiq
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Architectural Blueprint: Building a Low-Latency Analytics Pipeline for High-Capacity Physical Venues
When building data pipelines for enterprise-scale physical spaces—such as a 20,000-attendee corporate...

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
The Boardroom Advantage: How Data-Driven Leaders Outperform Their Competitors
Data has become one of the most valuable assets in modern business. However, collecting data is only the beginning. The real advantage… Continue reading on Medi

Dev.to · Vivek Kumar
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Building an Analytics Layer on Top of Your Existing Database
Your production database wasn't built for reporting. Here's how to add a proper analytics layer with read replicas, materialized views, and smart SQL patterns —
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Kesulitan Menemukan Insight dari Data? AI Tools Ini Bisa Membantu!
Menurut laporan Forrester, sekitar 60–73% data enterprise tidak pernah digunakan untuk analisis lanjutan atau pengambilan keputusan. Continue reading on Medium
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Nggak Perlu Copy-Paste Data Lagi! Ini Cara Buat Laporan Otomatis dengan AI
Membuat laporan merupakan aktivitas rutin di banyak perusahaan, mulai dari laporan penjualan, performa pemasaran, hingga rekapitulasi KPI. Continue reading on M
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Cara AI Membantu Meningkatkan Proses Business Intelligence
Laporan global AI+BI Analytics 2025 menunjukkan bahwa 43% organisasi telah menggunakan AI-powered analytics dalam lingkungan produksi… Continue reading on Mediu

Dev.to · Young Odhiambo
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Data Modeling, Joins, Relationships and Schemas
Data Modeling Data modeling is the process of creating a structured and visual...

Dev.to · Kevin Alemán
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
The Apple Books data model
Apple Books stores everything about your reading on disk, in plain SQLite. Your books, your...

Dev.to · Jedidah Ondiso
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
TYPES OF JOINS
In Power BI, joins are primarily used in Power Query (during the "Merge Queries" step) to combine...

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Data Governance: Listen First. Lead Second
Data Governance, Unfiltered. | Part 5 of 7 Continue reading on Data Governance, Unfiltered »

Hackernoon
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Why Most Enterprise AI Projects Never Get Past the Pilot Stage
Enterprise AI keeps stalling at the pilot stage because the underlying data can't be trusted. AI doesn't create organizational problems but it exposes the ones

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
The Numbers Say I’m Winning.
My Duolingo streak is still alive. Continue reading on Medium »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Data Governance: Keep it Simple
Data Governance, Unfiltered. | Part 4 of 7 Continue reading on Data Governance, Unfiltered »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
I Went Looking for Proof That NASA Faked the Moon Landing. I Found the Opposite.
Few events in modern history have generated as much skepticism as the Apollo Moon landings. Continue reading on Medium »

Dev.to · VICTAL
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Buscando o primeiro emprego na área de TI.
Estou procurando minha primeira oportunidade na área de TI, eu sou Analista de Dados Júnior, minha...

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
The Ultimate Guide to Science and Math/CS YouTubers
This list is years in the making. All of these channels will help change the way you think. The lowest tier is A! Continue reading on Medium »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
What Three Years of AQI Data Reveals About India’s Air Quality
How seasons, regions, and pollutants shaped air quality across 291 Indian cities from 2022 to 2025 Continue reading on The Quantastic Journal »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Your Neighbor’s Wildfire Risk Is Your Wildfire Risk: What Spatial Statistics Reveals That…
In October 2020, the East Troublesome Fire tore through Grand County, Colorado. Continue reading on Medium »

Dev.to · Waqas R
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Cohort Retention Analysis in Excel - Without SQL
If you want to know whether customers actually stick around, a cohort retention table is the clearest...
Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Building an Awesome Portfolio Management App in Streamlit from Scratch
A comprehensive step-by-step guide to building a Bloomberg-style multi-asset portfolio management terminal from scratch, featuring… Continue reading on Medium »

Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Os bastidores dos Dados: Minha jornada de transição e os projetos
Como o programa Ativa sua Carreira e o Módulo de Dados e IA da Laboratoria potencializaram meu olhar estratégico, unindo tecnologia… Continue reading on Medium

Dev.to · Sapana Pal
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
🚀 Top Data Analytics Project Ideas for Beginners and Professionals
If you're learning Data Analytics and looking to build a strong portfolio, working on real-world...
DeepCamp AI