SQL Junction
2.92K subscribers
17 photos
1 video
7 files
90 links
Download Telegram
πŸ“Š Weekend Upskilling Idea: Build a Real Data Portfolio

If you’re stuck on what dataset to use for your next project β€” this list will save you hours.

Pick one dataset aligned with the industry you want to work in and build something meaningful around it πŸ‘‡

πŸ› Retail
Online Retail Sales (500k+ transactions)
Great for customer segmentation & sales trends
πŸ”— https://lnkd.in/d6H26umG

πŸ₯ Healthcare
WHO Global Health Data (194 countries)
Perfect for time series & geo analysis
πŸ”— https://lnkd.in/dMfCuDqM

πŸ’° Finance
World Bank Open Data (GDP, inflation, trade)
Ideal for economic insights & forecasting
πŸ”— https://data.worldbank.org

πŸš• Transportation
NYC Taxi Trips (millions of rides)
Demand forecasting & pricing analysis
πŸ”— https://lnkd.in/deVUEmmC

🎡 Entertainment
Spotify Top Songs (audio features)
Clustering & recommendation systems
πŸ”— https://lnkd.in/d6u8BjxD

πŸ‘₯ HR & Workforce
Employee Attrition Dataset
Churn prediction & retention analysis
πŸ”— https://lnkd.in/dTgGKfDG

πŸ“£ Marketing
Marketing Campaign Data
Campaign ROI & customer profiling
πŸ”— https://lnkd.in/d_4MFM_j

πŸŽ“ Education
Student Performance Dataset
Predictive modeling & insights
πŸ”— https://lnkd.in/dFv24vAs

πŸ›’ E-Commerce
Amazon Product Reviews
Sentiment analysis & rating prediction
πŸ”— https://lnkd.in/dZMvTDNj

🚚 Logistics
Supply Chain Dataset
Cost optimization & efficiency analysis
πŸ”— https://lnkd.in/d_4MFM_j

πŸ’‘ Weekend reminder:
You don’t need to finish a full project in one go.
Just start β€” explore the data, ask questions, write a few queries.

Small effort this weekend = big confidence boost later πŸš€

Save this list and pick one dataset to work on.

#dataengineer #SQL #careers #projects #learning #upskill
❀2
🎯 Data Engineering Interview in 30 Days? Here’s the Game Plan.

If I had an interview next month, this is exactly how I’d prepare πŸ‘‡

🧠 Strengthen the Basics
β€’ Revise core SQL concepts
β€’ Solve 20–30 recent SQL questions
β€’ Practice 20–30 Python coding problems

⚑ Spark & Big Data
β€’ Understand PySpark fundamentals
β€’ RDDs vs DataFrames vs Datasets
β€’ Practice top PySpark programs

πŸ— Data Engineering Foundations
β€’ Revise Data Warehousing concepts
β€’ Understand your project’s data model
β€’ Review cloud services used

πŸ’» Practical Knowledge
β€’ Essential Linux commands
β€’ Be ready to explain your project clearly
β€’ Know your roles & responsibilities
β€’ Understand implementation details

πŸ“š Interview Readiness
β€’ Common DE interview questions
β€’ Read interview experiences of the target company

πŸ’‘ 30 days is more than enough β€” if you prepare with focus.

Start today. Small daily effort > last week panic πŸš€

#dataengineer #jobopportunity #learning #interview #SQLInterview
❀5