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

Dev.to · Pulsebit News Sentiment API
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Your Pipeline Is 29.2h Behind: Catching World Sentiment Leads with Pulsebit
Your Pipeline Is 29.2h Behind: Catching World Sentiment Leads with Pulsebit We recently...

Dev.to · Alex Bell
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Azure Data Engineering Interviews Score 11 Points Below Standard Roles: What 15,000 Live Sessions Show
Data Engineering Interview Scores Reveal a Gap Candidates Are Not Preparing For Candidates...

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Nobody Needs a GPU All Day
Most of the time, your GPU is waiting for you. Continue reading on Medium »

Dev.to · Maria-Luise Volkmar
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
The Bosman Effect, in one open dataset: how World Cup squads went global (1990 to 2026)
In 1990, roughly one in four players at the FIFA World Cup was based at a club outside the country...
Medium · DevOps
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
From (Heated) Rivalry to (Dirty) Dancing: make 10 devs learn to share one BI app
Just like on a rink, two developers enter the shared BI app to compete for the same measure. Only one will survive. By morning there’s a… Continue reading on Me

Dev.to · Salil Chincholikar
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Building a Financial Reconciliation Platform, Not a Matching Engine
Most reconciliation projects start with a simple assumption. Find two records with matching...

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Managing Relational Bottlenecks: A Technical Audit of Advanced Academic Database Support Systems
An architectural evaluation of external infrastructure, dialect precision, and digital footprint protection for computer science and data… Continue reading on M
Reddit r/learnprogramming
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
I'm a student building an ATS. Is this a worthwhile project? What features would make it impressive?
I'm going into 2nd year CS (Data Science) and was thinking of building my own ATS/resume analyzer. The basic idea is to upload a resume, compare it with job des

Medium · Machine Learning
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Why Choose a Data Science Course in Pitampura for a High-Paying Job?
Artificial Intelligence (AI) and digital transformation are reshaping industries worldwide, creating a strong demand for professionals who… Continue reading on

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
“The Silent Revolution: Why Your Data, Not Your Model, Is the Secret to AI Success”
The Silent Revolution: Why Your Data, Not Your Model, Is the Secret to AI Success Continue reading on Medium »

Hackernoon
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Building a Production-Ready Snowflake MCP Server
MCP lets Claude query Snowflake directly in real time. This guide covers three deployment patterns (stdio, SSE, cloud-hosted), RSA key-pair auth, a minimal-perm

Dev.to · grace wambua
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Understanding Apache Airflow Architecture: How the Engine Runs Your Workflows
Introduction To run data pipelines reliably in real-world production, you must understand...

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
How Data Science Is Supporting Talent Development Across Vadodara’s Growing Industries
Vadodara’s industrial landscape is evolving as manufacturing, engineering, pharmaceuticals, and service-based companies increasingly… Continue reading on Medium

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
From 0–0 to 4–0: What Changed for Spain?
Spain dominated both matches, but only one produced goals. FIFA’s post-match data shows that the difference was penetration, movement and… Continue reading on M

Dev.to · Kanishga Subramani
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Merges and Mutations in ClickHouse®
Introduction One of the reasons ClickHouse® delivers exceptional analytical performance is...

Dev.to · Tom Chege
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Understanding Data Distributions and Their Importance in Data Science
Introduction One of the most important concepts in statistics and data science is the...

Hackernoon
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Using GitHub as a Wildfire Time-Series Database: A Geospatial Aviation Pipeline
I built a pipeline that correlates wildfire incident data from InciWeb with live aircraft positions from FlightAware, using GitHub itself as the time-series dat
Medium · AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
The Privacy Bill Always Comes Due — Joseph Sides
Many companies still treat privacy and data protection like optional overhead. They will spend aggressively on marketing, customer… Continue reading on Medium »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
How I Prepared for a Data Science Aptitude Test for a German Master’s Program
What is a Data Science Aptitude Test & Which Programs Require It? Continue reading on CodeToDeploy »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Baidu’s Unlimited OCR : Beats DeepSeek OCR, Parses entire book in one go
How to use Baidu’s Unlimited OCR Continue reading on Data Science in Your Pocket »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
AI and Machine Learning Training in Hyderabad
Data Science Course in Hyderabad — Build a Successful Career with Quality Thought Software Institute Continue reading on Medium »

Dev.to · Vivek Kumar
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
The Fastest Way to Add Reporting to Your Internal Tool
Stop building reports from scratch. Here's the fastest path from raw SQL data to a working internal dashboard your team will actually use.
ArXiv cs.AI
📊 Data Analytics & Business Intelligence
📄 Paper
⚡ AI Lesson
1w ago
Entity Resolution via Batched Oracle Queries
arXiv:2606.24407v1 Announce Type: cross Abstract: We consider an oracle that processes a limited batch of records at a time and clusters those that refer to the
ArXiv cs.AI
📊 Data Analytics & Business Intelligence
📄 Paper
⚡ AI Lesson
1w ago
Visualizing "We the People": Bridging the Perception Gap through Pluralistic Data Storytelling
arXiv:2606.24635v1 Announce Type: cross Abstract: Traditional visual data storytelling relies on binary graphics that depict two simplified groups in conflict.
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
How I Transitioned from Mechatronics Engineering to Data Science
When people hear that I work as a Data Scientist today, they often assume that I studied Computer Science or Statistics. The reality is… Continue reading on Med
Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
How I Transitioned from Mechatronics Engineering to Data Science
When people hear that I work as a Data Scientist today, they often assume that I studied Computer Science or Statistics. The reality is… Continue reading on Med

Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Where Are Wellington’s Most Dangerous Roads? Mapping Crash Hotspots with Spatial Data Science
What 12,000 crash records, a clustering test, and one seriously counter — intuitive finding revealed about road safety in New Zealand’s… Continue reading on Med

Dev.to · 王磊
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
A CSV Cross-Check Before Receiving Shopify Purchase Orders
When Shopify purchase orders rely on linked transfers, the records can drift even when each screen...

Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Polars: A Practical Introduction to Fast DataFrames in Python
I have been analyzing data in Python for more than 10 years. In the beginning, I wrote a lot of custom Python functions for data… Continue reading on Medium »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Biology in Finance
I studied Biology for six years. Today, I work in credit and risk modeling — and have done so for roughly the same amount of time. Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
The Quiet Skill That Separates $50K Analysts from $150K Analysts
It’s not SQL. It’s not Python. It’s not dashboards. Here’s what it actually is — and why almost nobody teaches it. Continue reading on AI & Analytics Diaries »
Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
The Quiet Skill That Separates $50K Analysts from $150K Analysts
It’s not SQL. It’s not Python. It’s not dashboards. Here’s what it actually is — and why almost nobody teaches it. Continue reading on AI & Analytics Diaries »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Music, Mood, and Mental Health: What Listening Habits Reveal About Wellbeing
Music is part of everyday life for many people. Some use it to focus while studying, some play it while working, and others listen to… Continue reading on Mediu

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Nobody Prepared Me for My First On-Call Rotation. Here’s What I Wished They Had.
The survival kit for the first six months of production ownership that nobody gives you. Continue reading on Stackademic »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
What is Ontology — the secret sauce to supercharge the data retrieval?
Demystifying Ontology, & comparing it with normal data retrieval. This is also a comparative study of Graph vs. Non-Graph based retrieval. Continue reading on M
Simon Willison's Blog
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
datasette 1.0a35
Release: datasette 1.0a35 I'll write more about this one tomorrow, but it's a big release. Three highlights from the release notes: New "Create table" interface

Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Stock API Python: Build a Dashboard Fast
Use a stock API Python workflow to fetch fundamentals, shape JSON into pandas, and build a financial dashboard with real SEC data. Continue reading on Medium »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Python for Data Science — Introduction to Seaborn
In the previous article, we learned how to create cleaner and more professional visualizations using: Continue reading on Medium »

Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Python for Data Science — Introduction to Seaborn
In the previous article, we learned how to create cleaner and more professional visualizations using: Continue reading on Medium »
Dev.to AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Data Modelling, Joins, Relationships and Schemas in Power Bi.
Often not, most beginners assume that having clean data, visually appealing charts, and well-thought-out dashboards is the most important part of data analysis,

Medium · Machine Learning
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Python for Data Science — Subplots, Figure Size, and Clean Visual Layouts
So far, we’ve learned how to create several important visualizations: Continue reading on Medium »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Python for Data Science — Subplots, Figure Size, and Clean Visual Layouts
So far, we’ve learned how to create several important visualizations: Continue reading on Medium »

Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Python for Data Science — Subplots, Figure Size, and Clean Visual Layouts
So far, we’ve learned how to create several important visualizations: Continue reading on Medium »
Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Data Pipelines: Dynamic Multi-Level Parallelism: A YAML-Driven Tool/Framework
By Shiva Shankar Reddy Kondakindi Sr Principal Engineer, TLCP — Data & AI Creator, Architect, and Primary Contributor of Hubble Continue reading on Medium »
Medium · AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Everyone Is Learning AI. The Smartest People Are Learning Something Else
The one skill that quietly separates the people who grow from the people who get stuck — and why most people skip it entirely. Continue reading on Data Science
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
Day 32 of 32 Days of SQL Concepts — Data Lake and Data Lakehouse
Data lakes and data lakehouses represent two distinct yet related approaches to centralized data management that have emerged as… Continue reading on Medium »

Medium · Programming
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
I Built a Web App to See Which Bird Party Controls Your County
A few weeks ago, I found myself determining whether different regions of the Netherlands were controlled by the Gull Party, the Corvid… Continue reading on Medi

Medium · AI
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1w ago
How to Prepare for a Data Analyst Interview
The practical roadmap I would follow to walk into interviews with confidence Continue reading on Medium »
DeepCamp AI