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Datalemuer SQL Solutions

Welcome to the Datalemuer SQL Solutions repository! This repository contains solutions to SQL questions found on the Datalemuer website. It aims to provide clear, well-documented, and efficient solutions for a wide range of SQL problems, from basic queries to more complex data manipulations.

Problem Name Solution Link Difficulty
App Click-through Rate (CTR) App Click-through Rate (CTR).sql ⭐⭐
Cities With Completed Trades Cities With Completed Trades.sql ⭐⭐
Compressed Mean Compressed Mean.sql ⭐⭐
Histogram of Tweets Histogram of Tweets.sql
Pharmacy Analytics (Part 2) Pharmacy Analytics (Part 2).sql
Pharmacy Analytics (Part 3) Pharmacy Analytics (Part 3).sql
Second Day Confirmation Second Day Confirmation.sql
TOP 5 Artist TOP 5 Artist.sql ⭐⭐
Tweets' Rolling Averages Tweets' Rolling Averages.sql ⭐⭐
User's Third Transaction User's Third Transaction.sql ⭐⭐
Activation Rate Activation Rate.sql
Data Science Skills Data Science Skills.sql
Odd vs Even Odd vs Even.sql
Pharmacy Analytics (Part 1) Pharmacy Analytics 1.sql
Histogram of Users and Purchases Histogram of Users and Purchases.sql ⭐⭐
FAANG Stock Min-Max (Part 1) FAANG Stock Min-Max (Part 1).sql ⭐⭐
3-Topping Pizzas 3-Topping Pizzas.sql ⭐⭐⭐
Compressed Mode Compressed Mode.sql ⭐⭐
International Call Percentage International Call Percentage.sql ⭐⭐
Card Launch Success Card Launch Success.sql ⭐⭐
Patient Support Analysis (Part 2) Patient Support Analysis (Part 2) ⭐⭐
Well Paid Employees Well Paid Employees
Odd and Even Measurements Odd and Even Measurements ⭐⭐⭐
Y-on-Y Growth Rate Y-on-Y Growth Rate ⭐⭐⭐
Repeated Payments Repeated Payments ⭐⭐⭐
Median Google Search Frequency Median Google Search Frequency ⭐⭐⭐
Maximize Prime Item Inventory Maximize Prime Item Inventory ⭐⭐⭐
Department vs. Company Salary Department vs. Company Salary ⭐⭐⭐
Server Utilization Time Server Utilization Time ⭐⭐⭐

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