SQL-Practice-Questions

📊 SQL Practice Tracker

Welcome! This repository features a curated set of SQL questions along with detailed solutions. It’s designed to help you practice, improve your SQL skills, and track your progress—whether you’re preparing for interviews, working on personal development, or just exploring SQL concepts.

🐣 Easy-Level Questions

🔹 DataLemur

Problem Solution
Histogram of Tweets Solution
Data Science Skills Solution
Page With No Likes Solution
Unfinished Parts Solution
Laptop vs. Mobile Viewership Solution
Average Post Hiatus (Part 1) Solution
Teams Power Users Solution
Duplicate Job Listings Solution
Cities With Completed Trades Solution
Average Review Ratings Solution
Well Paid Employees Solution
App Click-through Rate (CTR) Solution
Second Day Confirmation Solution
IBM db2 Product Analytics Solution
Cards Issued Difference Solution
Compressed Mean Solution
Pharmacy Analytics (Part 1) Solution
Pharmacy Analytics (Part 2) Solution
Pharmacy Analytics (Part 3) Solution
Patient Support Analysis (Part 1) Solution

🔹 Analystbuilder.

Problem Solution
Costco Rotisserie Loss View Solution
Perfect Data Analyst View Solution
Car Failure View Solution
Electric Bike Replacement View Solution
On The Way Out View Solution
Chocolate View Solution
Heart Attack Risk View Solution
Apply Discount View Solution
Million Dollar Store View Solution
Sandwich Generation View Solution
Tesla Models View Solution

🔁 Medium-Level Questions

🔹 Analystbuilder.

Problem Solution
Shrink-flation Solution
TMI (Too Much Information) Solution
Separation Solution
Tech Layoffs Solution
Kroger’s Members Solution
Food Divides Us Solution
Direct Reports Solution
Bike Price Solution
Media Addicts Solution
Company Wide Increase Solution
LinkedIn Famous Solution
Senior Citizen Discount Solution

💥 Hard-Level Questions

🔹 Analystbuilder.

Problem Solution
Marketing Spend View Solution
Kelly’s 3rd Purchase View Solution
Cake vs Pie View Solution
Temperature Fluctuations View Solution

🚀 About This Repository