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
51m ago
Mau Naik Level? Ini Advanced Data Science Techniques untuk Data Analytics
Berdasarkan laporan McKinsey State of AI 2024, sekitar lebih dari 50–70% perusahaan global sudah mengadopsi AI dalam setidaknya satu… Continue reading on Medium
Dev.to · Anupa Supul
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
2h ago
I Finally Understood AWS Data Pipelines After Following a Single Customer Click
beginner has been there. You memorize services like: Amazon...
Dev.to · RoyserVillanueva
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
2h ago
Beyond the Basics: Streamlit, Dash, and Bokeh for Interactive Dashboards
When we talk about data visualization and dashboards, enterprise tools like Tableau or PowerBI...
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3h ago
Exploring Data the Right Way: A Practical Walkthrough of the CRISP-DM Data Understanding Phase
Foto oleh Markus Spiske di Unsplash Continue reading on Medium »
Medium · Programming
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3h ago
Exploring Data the Right Way: A Practical Walkthrough of the CRISP-DM Data Understanding Phase
Foto oleh Markus Spiske di Unsplash Continue reading on Medium »
Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3h ago
Exploring Data the Right Way: A Practical Walkthrough of the CRISP-DM Data Understanding Phase
Foto oleh Markus Spiske di Unsplash Continue reading on Medium »
Medium · Machine Learning
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
4h ago
What Hiring Managers Actually Think When They See Your Data Science GitHub in 2026
The job market didn’t close because AI took the work. It closed because the juniors forgot to grow up. Continue reading on DataDrivenInvestor »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
5h ago
My Favourite High-Probability Intraday Setup
Most traders keep adding more and more indicators, hoping they’ll find the perfect entry. I’ve done that too. But over time, I realised… Continue reading on Med
Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
5h ago
Normal Distribution — A Complete Guide for Beginners
The normal distribution is a type of probability distribution that is bell-shaped and is symmetric about the mean. It is also referred to… Continue reading on M
Towards Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
5h ago
Measuring Structure Stability of Econometric Models
The simplest most important idea for time series forecasting The post Measuring Structure Stability of Econometric Models appeared first on Towards Data Science
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
7h ago
The Importance of Data Profiling in the AI Era
Profiling your data is absolutely essential, regardless of how simple your data set might seem. In the age of artificial intelligence… Continue reading on Mediu
Medium · AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
9h ago
We Built the Analytics Tool We Wished Existed. Here’s Why.
A few weeks ago, my co-founder Aaron and I sat down and counted the subscriptions we were paying for just to run our own projects. Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
11h ago
Advancing the Second Brain Model
The concept isn’t different. But what it can do has evolved. Continue reading on ILLUMINATION’S MIRROR »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
13h ago
The Day I Realized Watching Tutorials Wasn’t Enough
Building small projects taught me more than hours of watching videos. Continue reading on Medium »
AWS Machine Learning
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
14h ago
Enrich your datasets with business context: Migrating from legacy Topics to semantic datasets in Amazon Quick
In this post, we walk through what Dataset Enrichment is, how it differs from legacy Topics, and provide three migration scenarios with step-by-step guidance so
AWS Machine Learning
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
14h ago
Data modeling best practices for Amazon Quick Sight multi-dataset relationships
Today, we are excited to announce Multi-Dataset Relationships in Amazon Quick Sight. This new capability lets you define logical relationships between Quick Sig
AWS Machine Learning
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
14h ago
Data modeling patterns for Amazon Quick Sight multi-dataset relationships
In this post, we shift from concepts to patterns. For each schema, you’ll find a table structure, use cases, implementation steps, and sample SQL queries. We al
AWS Machine Learning
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
14h ago
Build a unified semantic layer across datasets with multi-dataset Topics in Amazon Quick
In this post, we walk through how multi-dataset Topics work, explain how the chat agent uses defined relationships to generate cross-dataset queries, and demons
Medium · Machine Learning
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
19h ago
Should You Trust the Netflix Top 10? A Statistical Analysis
Netflix’s Top 10 helps us choose faster. But does it help us choose better? Continue reading on Fanfare »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
20h ago
Why Aurangabad’s Digital Growth Is Boosting Data Science Jobs
Aurangabad is steadily embracing digital transformation, creating new opportunities for professionals with analytical and technical… Continue reading on Medium
Dev.to · MORINAGA
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
22h ago
How I added upstream activity signals to an OSS alternatives directory
How I built an ETL script to pull GitHub release cadence, open issue counts, and archived status into ossfind.com — and why I kept all AI opinions out of it.
TechCabal
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
22h ago
Nigeria’s data centres face major test under CBN’s local hosting mandate
By January 1, 2027, banks, fintechs, and payment processors must stop storing transaction records on foreign cloud infrastructure and move them to data centres
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
22h ago
How Data Science Is Opening New Career Opportunities in Dehradun’s Evolving Job Market
Dehradun is steadily emerging as a promising destination for technology-driven careers, supported by its expanding education sector, IT… Continue reading on Med
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1d ago
Top Data Science Training in Hyderabad with Placement Support
The world is getting more and more dependent on data. Continue reading on Medium »
Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1d ago
Cookiecutter-data-science -A Python tool to structure your projects
Package version used: 2.3.0 Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1d ago
Causal Inference in Finance: Moving Beyond “What Happened?” to “What Actually Worked?”
Why the patterns in your dashboards might be lying to you Continue reading on Medium »
Dev.to · Namrata Khorjuwekar
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1d ago
Database Deep Dive Series
Welcome to the Database Deep Dive Series—a collection of articles designed to help database...
Dev.to AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1d ago
Éclat de l’Avenir Gestion S.A.R.L renforce la clarté des analyses grâce aux rapports intelligents
Dans un environnement financier marqué par la rapidité de l’information, la multiplication des sources de données et l’évolution constante des marchés, la capac
Medium · AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1d ago
Data Analytics (AI/ML) ROI 101 series: Article 3: Accounting fundamentals for data analytics…
[Brief background to this series: In recent months, I have encountered a large number of articles that report lack of returns on… Continue reading on Analyst’s
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1d ago
Stop Testing One Indicator at a Time. Loop Your Way to Better Trading
Every trader has done it. You read about RSI on a forum, download some data, run a backtest, see a 60% win rate, and start trading it live… Continue reading on
Dev.to · samwel
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1d ago
Fact Tables, Star Schemas, Joins and Dashboards
When I first heard the words star schema, fact table and DAX, I honestly had no idea what any of that...
Dev.to · michael imani
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1d ago
The Ultimate Step-by-Step Guide: Connecting Power BI to Cloud-Based & Local PostgreSQL
Introduction The data we work on using Power BI is collected from different sources. These...
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1d ago
Understanding Data Warehousing: The Complete Beginner’s Guide for Data Engineering
Learn what Data Warehousing is, how it works, why organizations use it Continue reading on Medium »
Dev.to · datapeek
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1d ago
Job Hunting? Free Data Tools for Salary, Certification, and Visa Research
Job hunting needs salary data, certification ROI, employer-city take-home pay, and (if you're moving...
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1d ago
Python for Data Science — Sampling and Why Your Conclusions Can Be Wrong
In the previous article, we discussed probability distributions and how they help us understand the behavior of data. Continue reading on Medium »
Dev.to · SleepTrace
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1d ago
Sleep-stage detection is mostly inference. Be honest about it.
Sleep-stage classification is where a lot of consumer sleep tech quietly cheats. A quick tour of the...
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1d ago
Data Science Institute in Tilak Nagar — AI, ML & Python Training
In today’s digital world, businesses generate huge amounts of data every day. They need skilled professionals who can analyze this data… Continue reading on Med
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1d ago
From Satellite Images to Smarter Air Quality Predictions: The Story Behind AIRSENSE
How we combined satellite imagery, meteorological data, and ground observations to estimate air quality across Mumbai Continue reading on Medium »
Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1d ago
From Satellite Images to Smarter Air Quality Predictions: The Story Behind AIRSENSE
How we combined satellite imagery, meteorological data, and ground observations to estimate air quality across Mumbai Continue reading on Medium »
Medium · Machine Learning
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
2d ago
How to Write SQL Queries That Detect Unstable Join Filtering and Inconsistent Results
Query validation patterns that expose unstable joins and prevent inconsistent analytical outcomes Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
2d ago
How to Write SQL Queries That Detect Unstable Join Filtering and Inconsistent Results
Query validation patterns that expose unstable joins and prevent inconsistent analytical outcomes Continue reading on Medium »
Dev.to · L. Cordero
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
2d ago
Fable 5 Hype: Fangirling with Datasets to Build a Lakers Dashboard
This is the story of a for-fun project, Luka Fit Index that started with me typing "ai for fun?...
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
2d ago
Imagine waking up one day only to discover your account has been suspended.
THE DOWNSIDE OF CENTRALISED STORAGE PLATFORMS Continue reading on Medium »
Medium · Machine Learning
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
2d ago
Exploratory Data Analysis: Asking Good Questions of Your Data
Before you build any model or draw any conclusion, you need to actually understand what you are looking at. This is how professionals do… Continue reading on Me
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
2d ago
Exploratory Data Analysis: Asking Good Questions of Your Data
Before you build any model or draw any conclusion, you need to actually understand what you are looking at. This is how professionals do… Continue reading on Me
Medium · Programming
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
2d ago
Exploratory Data Analysis: Asking Good Questions of Your Data
Before you build any model or draw any conclusion, you need to actually understand what you are looking at. This is how professionals do… Continue reading on Me
Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
2d ago
Automating Source-to-Target Mapping
I built lineage-mcp (Agent-STTM), an MCP server + CLI that reads real SQL scripts and XML ETL exports (SSIS, Informatica PowerCenter, or a… Continue reading on
Medium · Startup
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
2d ago
The Sharpe Ratio: The Metric That Runs the Investment Industry
Most investors have heard of the Sharpe ratio. Fewer realize how much weight it actually carries behind the scenes, from how pension funds… Continue reading on
DeepCamp AI