SQL Interview Questions

Writing SQL queries is KEY to Acing the Data Science Interview, but if you want to go beyond SQL join our FREE
9-Day Interview Crash Course! (which covers Probability, Statistics, ML, Coding, & Product-Sense).

Company	Title	Difficulty
Uber	User's Third Transaction	Medium
FAANG	Second Highest Salary	Medium
Snapchat	Sending vs. Opening Snaps	Medium
Twitter	Tweets' Rolling Averages	Medium
Amazon	Highest-Grossing Items	Medium
FAANG	Top Three Salaries	Medium
TikTok	Signup Activation Rate	Medium
Accenture	Fill Missing Client Data Premium	Medium
Spotify	Spotify Streaming History Premium	Medium
Microsoft	Mean, Median, Mode Premium	Medium
CVS Health	Pharmacy Analytics (Part 4) Premium	Medium
Walmart	Frequently Purchased Pairs Premium	Medium
Microsoft	Supercloud Customer	Medium
Google	Odd and Even Measurements	Medium
Zomato	Swapped Food Delivery	Medium
Bloomberg	FAANG Stock Min-Max (Part 1)	Medium
Airbnb	Booking Referral Source Premium	Medium
Amazon	User Shopping Sprees	Medium
Uber	2nd Ride Delay Premium	Medium
Walmart	Histogram of Users and Purchases	Medium
Google	Google Maps Flagged UGC Premium	Medium
Alibaba	Compressed Mode	Medium
JPMorgan	Card Launch Success	Medium
Verizon	International Call Percentage	Medium
UnitedHealth	Patient Support Analysis (Part 2)	Medium
LinkedIn	LinkedIn Power Creators (Part 2) Premium	Medium
PayPal	Unique Money Transfer Relationships Premium	Medium
Twitter	User Session Activity Premium	Medium
Etsy	First Transaction Premium	Medium
Facebook	Email Table Transformation Premium	Medium
Adobe	Photoshop Revenue Analysis Premium	Medium
Google	Consulting Bench Time Premium	Medium
Oracle	Sales Team Compensation Premium	Medium
Salesforce	Average Deal Size (Part 2) Premium	Medium
Amazon	Cumulative Purchases by Product Type Premium	Medium
Google	Invalid Search Results Premium	Medium
Stitch Fix	Repeat Purchases on Multiple Days Premium	Medium
Accenture	Compensation Outliers Premium	Medium
Bloomberg	FAANG Stock Monthly Change (Part 2) Premium	Medium