SQL & Data Interview Questions

Practice the most common SQL, Statistics, ML, and Python questions asked in FAANG Data Science & Data Analyst interviews!

Company	Title	Category	Difficulty
Twitter	Histogram of Tweets	SQL	Easy
LinkedIn	Data Science Skills	SQL	Easy
Facebook	Page With No Likes	SQL	Easy
Tesla	Unfinished Parts	SQL	Easy
NY Times	Laptop vs. Mobile Viewership	SQL	Easy
Facebook	Coin Fairness Test	Statistics	Easy
BCG Gamma	Precision/Recall Tradeoff	Machine Learning	Easy
Facebook	Average Post Hiatus (Part 1)	SQL	Easy
Microsoft	Teams Power Users	SQL	Easy
Visa	4 Rolls To 4	Statistics	Easy
Microsoft	Factorial Formula	Python	Easy
Google	Fizz Buzz Sum	Python	Easy
Palantir	Roman to Integer	Python	Easy
Amazon	Intersection of Two Lists	Python	Easy
TikTok	Triangular Sum	Python	Easy
LinkedIn	Duplicate Job Listings	SQL	Easy
Robinhood	Cities With Completed Trades	SQL	Easy
Apple	Contains Duplicate	Python	Easy
Facebook	Straight Line	Python	Easy
Capital One	Base 13 Conversion	Python	Easy
Amazon	Average Review Ratings	SQL	Easy
FAANG	Well Paid Employees	SQL	Easy
Uber	Pascals Triangle	Python	Easy
Facebook	App Click-through Rate (CTR)	SQL	Easy
TikTok	Second Day Confirmation	SQL	Easy
Spotify	Is Palindrome	Python	Easy
IBM	IBM db2 Product Analytics	SQL	Easy
JPMorgan	Cards Issued Difference	SQL	Easy
Alibaba	Compressed Mean	SQL	Easy
CVS Health	Pharmacy Analytics (Part 1)	SQL	Easy
CVS Health	Pharmacy Analytics (Part 2)	SQL	Easy
CVS Health	Pharmacy Analytics (Part 3)	SQL	Easy
McKinsey	Assumptions of Linear Regression	Machine Learning	Easy
Oracle	Arithmetic Triplets	Python	Easy
UnitedHealth	Patient Support Analysis (Part 1)	SQL	Easy