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
Showing 715 reads from curated sources

Dev.to · 137Foundry
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
6d ago
How to Build a Dead Letter Queue System for Reliable Data Processing
Every data processing system will eventually receive a record it cannot handle. A missing required...

Medium · Programming
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
6d ago
SQL vs NoSQL: Mana yang Lebih Baik untuk Aplikasi Kamu?
Halo, saya Anjas Rani. Saat pertama kali belajar backend, saya sempat bingung ketika harus memilih database. Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
6d ago
Why Data Engineering is the Future of Tech Careers in India
In today’s digital world, companies generate massive amounts of data every second. Continue reading on Medium »

Dev.to · Anastecia Dunu
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
6d ago
7 Essential Capabilities Insight Teams Need in a Modern Market Research Platform
Discover the 7 must-have capabilities for a modern market research platform. From AI-powered analysis...

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
6d ago
Differencing: A Transformation or a Trap?
How differencing reshapes persistence, signal, and interpretation in time series analysis Continue reading on R-evolution »
Medium · DevOps
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
6d ago
Trino Optimization & Architecture Guide for High Performance Analytics
Modern analytics workloads demand fast, distributed query processing across massive datasets. Traditional databases often struggle with… Continue reading on Med

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
6d ago
Why Are More Professionals Choosing Google Data Science Certification?-IABAC
A few years ago, many professionals believed that moving into data science required a university degree, years of technical study, and… Continue reading on Medi
Medium · AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
6d ago
Why Excel with AI Corporate Training is Essential for Modern Employees Mazenet Corportae training
Empowering Employees with AI-Driven Excel Skills for Better Productivity, Data Analysis, and Smarter Business Decisions Continue reading on Medium »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
6d ago
Which is the best data science training institute in Noida?
The “best” data science institute in Noida depends on your goal — placements, affordability, mentorship, live projects, or flexible… Continue reading on Medium

Medium · Machine Learning
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
6d ago
What is SQL?
SQL (Structured Query Language) is a standard programming language used to store, manage, retrieve, and manipulate data in relational… Continue reading on Mediu

Medium · Programming
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
6d ago
What is SQL?
SQL (Structured Query Language) is a standard programming language used to store, manage, retrieve, and manipulate data in relational… Continue reading on Mediu
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
6d ago
Stop Using pd.read_sql() for Everything — Here Are Better Ways
to Talk to a Database in Python Continue reading on Medium »
Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
6d ago
Stop Using pd.read_sql() for Everything — Here Are Better Ways
to Talk to a Database in Python Continue reading on Medium »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
6d ago
How Constant Rejection Taught Me to Stop Chasing Perfect Analytics — and Build Genuine Resilience.
I spent three years letting an analytics dashboard dictate my entire sense of self-worth. Every single morning began with a frantic… Continue reading on Medium

Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Why Clipping and Overlay Operations Fail in GeoPandas
The hidden pitfalls of clip() and overlay() — and how to fix them before they break your spatial analysis Continue reading on Python GIS Workflows »
Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Designing data-intensive applications — advice for interaction designers
The things on the screen — numbers, tables, graphs, forms, dashboards — are just two-dimensional projections of a multi-dimensional data… Continue reading on UX

Medium · Machine Learning
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Mastering Big Data: Building a Multi-Node Hadoop Cluster for Social Network Analysis
A Real-World Journey from Raw AWS Instances to Distributed Machine Learning Continue reading on Medium »

Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Detrended Fluctuation Analysis (DFA)
GET FREE STRATEGY PACK WITH PDF EBOOK AND PYTHON CODES → https://pyquantlab.com/free-algo-trading-book.php Continue reading on Medium »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Bayesian Shrinkage Scoring: Finding Real Under-performers in Noisy Metrics
How I stopped chasing phantoms in my data by borrowing from 18th-century probability theory, and built a scoring system that actually… Continue reading on Mediu

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
I Built a Python Tool to Analyze Mortgage Lending Disparities.
The data is public. The gap was in the tooling. Continue reading on Medium »

Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
I Built a Python Tool to Analyze Mortgage Lending Disparities.
The data is public. The gap was in the tooling. Continue reading on Medium »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
AI Data Engineering Platform: The New Home for Data Teams
Discover what an AI Data Engineering Platform is, why legacy stacks no longer fit, and the 6 principles that define the new way data teams… Continue reading on
Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Java vs. Python for Data Engineering and Microservices: Which Scales Better at Enterprise Level
A data engineering lead at a logistics firm inherited a split system in her first week. Python handled the ingestion pipelines. Java ran… Continue reading on Me

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
We Are Firing Data Engineers. PostgreSQL Does It For Free.
After spending exactly 45 hours over the last week forensically analyzing the cloud billing exports, infrastructure topologies, and… Continue reading on Postgre

Medium · Programming
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
We Are Firing Data Engineers. PostgreSQL Does It For Free.
After spending exactly 45 hours over the last week forensically analyzing the cloud billing exports, infrastructure topologies, and… Continue reading on Postgre

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
How Companies Evaluate Problem-Solving Skills in Analysts
In today’s competitive business environment, companies rely heavily on analysts to make data-driven decisions. Whether it is improving… Continue reading on Medi

Dev.to · DataDriven
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Data Engineer Salaries Are Splitting in Two. Which Side Are You On?
Google L4 hits $307K. Generalists can't get callbacks. The 2026 DE salary gap is widening fast , and most engineers don't know which side they're on.
Dev.to AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Building a Job Market Tracker: Aggregate LinkedIn, Indeed, and Glassdoor Data
Have you ever felt like the job market is shifting so fast that you just cannot keep up with the changes? It is honestly overwhelming trying to figure out which

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Data Cabin: The Intelligent Dashboard Powering the Nova Club AI Ecosystem
In the high-velocity digital asset landscape of 2026, success isn’t defined by access to data alone, clarity is the true differentiator. Continue reading on Med
Medium · AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Best AI Tools for Data Analysis in 2026: Top Platforms for Analysts, UX Designers & Businesses
Photo by Luke Chesser on Unsplash Continue reading on Medium »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Anomaly Detection for a Time-series data
Time series data contains temporal dimension which having time frame. Finding the anomalies is bit different for a regular data. So I… Continue reading on Mediu

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Airflow for Beginners: How DAGs, Schedulers, and Executors Work
Over 14,000 companies — including Airbnb, Twitter, and NASA — use Apache Airflow to run their data pipelines. Here’s the architecture that… Continue reading on

Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Python by Examples: Oil and Gas Exploration and Production Valuations
The oil and gas sector is a dynamic environment where exploration, production, and valuation techniques intersect. In this article, we… Continue reading on Medi

Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Python by Examples: Restaurant Industry Analysis
Restaurants play a vital role in the American economy, blending culinary artistry with business acumen. While opening a restaurant might… Continue reading on Me

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Before You Visualize: Connecting and Preparing Data in Tableau
Learn how Tableau actually works with your data before you start building dashboards Continue reading on Medium »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Why “Data-Driven Policy” Often Fails — and How to Fix It
“Evidence-based policy” has become a kind of civic mantra. City governments invoke it. Think tanks operationalize it. Philanthropies fund… Continue reading on M
Dev.to AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
I built a free baby name database with 145 years of US data — Peek a Name
After spending way too many hours scrolling baby-name lists when my wife and I were name-hunting, I built Peek a Name — a free, no-signup baby name database wit

Forbes Innovation
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
What The Data Actually Shows About Medical Malpractice Across America
A new study of malpractice data shows significant national variation in malpractice trends.
Medium · Programming
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Mastering AWS Data Lakes: Is Apache Iceberg Worth the Self-Managed Effort Over S3 Tables?
Man, does anyone else remember the early days of data lakes? It felt a lot like we were just, well, dumping everything into Amazon S3… Continue reading on Mediu

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Begin With Those 2 and a Half Ideas and Stop Cursing Statistics
Build your knowledge gradually and avoid memorizing formulas! Continue reading on Level Up Coding »
Medium · Programming
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Learn dbt for Analytics Engineering
Models, macros, tests, seeds, documentation, snapshots, exposures Continue reading on Level Up Coding »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Less Qubit More Intelligence
Today, we’re going to talk about data. Continue reading on Medium »

The Next Web AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Thailand approves $29bn in projects, with TikTok’s ₿842bn data-centre expansion alone worth $25bn
Bangkok’s Board of Investment cleared six major investments on Wednesday. Three of them are data centres. The headline is the TikTok number, but the larger stor

Dev.to · dorjamie
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Traditional vs AI-Powered Predictive Analytics: Which Approach Fits Your E-commerce Business?
Traditional vs AI-Powered Predictive Analytics: Which Approach Fits Your E-commerce...
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
The Illusion of Ground Truth
Why the answer key is often less solid than it looks Continue reading on Medium »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
The City Doesn’t Know Itself
Why collective data collection is the only approach that makes sense at scale Continue reading on Spatial Collective »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Top Data Engineering Interview Questions in 2026 (With Practical Insights)
Preparing for a Data Engineering interview is not just about memorizing answers. Continue reading on Medium »

Dev.to · Cheryl D Mahaffey
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Intelligent Legal Analytics: A Beginner's Guide for Corporate Law Firms
What Every Corporate Lawyer Should Know About Data-Driven Decision Making Corporate law...
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