SQL Interview Questions

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Company	Title	Difficulty
LinkedIn	Data Science Skills	Easy
Facebook	Page With No Likes	Easy
Tesla	Unfinished Parts	Easy
New York Times	Laptop vs. Mobile Viewership	Easy
Linkedin	Duplicate Job Listings	Easy
Facebook	Average Post Hiatus (Part 1)	Easy
Microsoft	Teams Power Users	Easy
Robinhood	Cities With Completed Trades	Easy
Amazon	Average Review Ratings	Easy
Facebook	App Click-through Rate (CTR)	Easy
TikTok	Second Day Confirmation	Easy
JPMorgan Chase	Cards Issued Difference	Easy
Alibaba	Compressed Mean	Easy
CVS Health	Pharmacy Analytics (Part 1)	Easy
CVS Health	Pharmacy Analytics (Part 2)	Easy
CVS Health	Pharmacy Analytics (Part 3)	Easy
UnitedHealth	Patient Support Analysis (Part 1)	Easy
UnitedHealth	Patient Support Analysis (Part 2)	Easy
Uber	User's Third Transaction	Medium
Snapchat	Sending vs. Opening Snaps	Medium
Twitter	Tweets' Rolling Averages	Medium
Amazon	Highest-Grossing Items	Medium
Spotify	Top 5 Artists	Medium
TikTok	Signup Activation Rate	Medium
Accenture	Fill Missing Client Data	Medium
Walmart	Frequently Purchased Pairs	Medium
Microsoft	Supercloud Customer	Medium
Google	Odd and Even Measurements	Medium
Walmart	Histogram of Users and Purchases	Medium
Alibaba	Compressed Mode	Medium
JPMorgan Chase	Card Launch Success	Medium
Verizon	International Call Percentage	Medium
Facebook	Active User Retention	Hard
Wayfair	Y-on-Y Growth Rate	Hard
Amazon	Maximize Prime Item Inventory	Hard
Google	Median Google Search Frequency	Hard
Facebook	Advertiser Status	Hard
McKinsey	3-Topping Pizzas	Hard
UnitedHealth	Patient Support Analysis (Part 3)	Hard
UnitedHealth	Patient Support Analysis (Part 4)	Hard
Stripe	Repeated Payments	Hard

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