Tech Skills

Data Analytics & Business Intelligence

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

9,252
lessons
Skills in this topic
View full skill map →
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 255 reads from curated sources

Why Jupiter Devoured Shoemaker-Levy 9 and Spared 3I/ATLAS
Medium · Data Science 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
Why Jupiter Devoured Shoemaker-Levy 9 and Spared 3I/ATLAS
Continue reading on Medium »
Why "Vibe Coding" Your Data Warehouse is a Terrible Idea
Dev.to · Lucas Ehara 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
Why "Vibe Coding" Your Data Warehouse is a Terrible Idea
Recently, the term "vibe coding" has been everywhere. It’s that practice of sitting down, opening...
Medium · AI 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
Agentic Data Visualization Recommender for Tabular Data
Team Members Continue reading on Medium »
Medium · Data Science 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
Agentic Data Visualization Recommender for Tabular Data
Team Members Continue reading on Medium »
ETL vs ELT: Which One Should You Use and Why?
Dev.to · Lawrence Murithi 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
ETL vs ELT: Which One Should You Use and Why?
Introduction Imagine you are running a massive kitchen. Every day, trucks arrive carrying...
Anketler İncelemesi - Detaylı Teknik Analiz Rehberi 2026
Dev.to · FORUM WEB 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
Anketler İncelemesi - Detaylı Teknik Analiz Rehberi 2026
Anketler İncelemesi - Detaylı Teknik Analiz Rehberi 2026 Anketlerin Tarihçesi ve Gelişimi...
The Respondent
Dev.to · thesythesis.ai 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
The Respondent
Consumer sentiment hit the lowest point in the survey's seventy-four-year history on the same day markets posted their best weekly gain in five months
Your Customers Don't Care About Your Data Strategy — Until It Fails Them
Hackernoon 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
Your Customers Don't Care About Your Data Strategy — Until It Fails Them
Customer experience isn’t just about front-end innovation—it’s driven by the quality of your data. Poor governance leads to broken interactions, flawed AI outpu
Your Analytics Stack Is Shipping Interpretation Bugs
Hackernoon 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
Your Analytics Stack Is Shipping Interpretation Bugs
Dashboards and agentic systems do not just report the business. They shape what the business starts treating as true. In fast-moving, post-raise companies, that
Building A Bulletproof Strategy For Data Recovery (Sponsored)
KDnuggets 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 2w ago
Building A Bulletproof Strategy For Data Recovery (Sponsored)
Data disruptions are no longer rare events. Hardware failures, ransomware, and unexpected outages can interrupt operations at any time. The difference between a
Data Mining
Towards AI 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 2w ago
Data Mining
Author(s): Sefa Bilicier Originally published on Towards AI. Introduction In today’s digital economy, data has become the new oil. But unlike oil, which require
The Data Trust Crisis: How Bad Data Undermines ROI, AI, And CX
Forbes Innovation 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 2w ago
The Data Trust Crisis: How Bad Data Undermines ROI, AI, And CX
What was once seen as an operational inefficiency is now a growth problem. Companies that cannot trust their data struggle to compete against those that can.
Towards Data Science 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 2w ago
Turning 127 Million Data Points Into an Industry Report
What I learned about data wrangling, segmentation, and storytelling while building an application security report from scratch The post Turning 127 Million Data
Search Engine Journal 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 3w ago
Reporting Uncertainty Without Losing Credibility via @sejournal, @bngsrc
Communicate what your data can and cannot prove to avoid costly decisions driven by incomplete insights. The post Reporting Uncertainty Without Losing Credibili
Conversion Sciences 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1y ago
Statistical Hypothesis Testing: A Simple Guide to Smarter A/B Tests
Having trouble viewing the text? You can always read the original article here: Statistical Hypothesis Testing: A Simple Guide to Smarter A/B Tests A fundamenta