Practice Interview Questions
Learn SQL
Practice the most common SQL, Statistics, ML, and Python questions asked in FAANG Data Science & Data Analyst interviews!
Twitter
Histogram of Tweets
LinkedIn
Data Science Skills
Facebook
Page With No Likes
Tesla
Unfinished Parts
New York Times
Laptop vs. Mobile Viewership
Coin Fairness Test
BCG Gamma
Precision/Recall Tradeoff
Average Post Hiatus (Part 1)
Microsoft
Teams Power Users
Visa
4 Rolls To 4
Factorial Formula
Google
Fizz Buzz Sum
Amazon
Intersection of Two Lists
Missing Integer
Linkedin
Duplicate Job Listings
Robinhood
Cities With Completed Trades
Apple
Contains Duplicate
Salary Inequity
Max Profit Trading Stocks
Average Review Ratings
App Click-through Rate (CTR)
TikTok
Second Day Confirmation
IBM
IBM db2 Product Analytics
JPMorgan Chase
Cards Issued Difference
Alibaba
Compressed Mean
CVS Health
Pharmacy Analytics (Part 1)
Pharmacy Analytics (Part 2)
Pharmacy Analytics (Part 3)
McKinsey
Assumptions of Linear Regression
UnitedHealth
Patient Support Analysis (Part 1)
Netflix
Lazy Movie Raters
Uber
User's Third Transaction
FAANG
Second Highest Salary
Snapchat
Sending vs. Opening Snaps
Tweets' Rolling Averages
Akuna Capital
Consecutive Fives
Highest-Grossing Items
Top Three Salaries
Spotify
Top 5 Artists
Signup Activation Rate
Supercloud Customer
Blackstone
Real Estate Modelling
Factorial Trailing Zeroes
D.E. Shaw
Maximum Product of Three Numbers
Two Sum
Largest Prime Factor
Smallest Multiple
AQR
Pearson Correlation Coefficient
Merge Conflicts
Largest Contiguous Subarray Sum
Biased Coin?
Odd and Even Measurements
Walmart
Histogram of Users and Purchases
Compressed Mode
Card Launch Success
Verizon
International Call Percentage
Patient Support Analysis (Part 2)
Connection Request Spam
Active User Retention
Wayfair
Y-on-Y Growth Rate
Maximize Prime Item Inventory
Median Google Search Frequency
Advertiser Status
3-Topping Pizzas
Product vs. Square
Modeling User Churn
Stripe
Repeated Payments
Minimum of Two Uniform Variables
Frequentist vs. Bayesian
Oracle
Who Made Quota?
Server Utilization Time
Zomato
Swapped Food Delivery
Bloomberg
FAANG Stock Min-Max (Part 1)
Department vs. Company Salary
Well Paid Employees
Easy
0/32
Medium
0/30
Hard
0/13
Percentage Calculations7
Joins11
Array Functions1
bball0
Date-Time Functions13
Mathematical Functions9
fun-run0
Aggregate Functions36
Ace the Data Science Interview15
Data Type Conversion13
Data Generation Functions0
Window Functions12
The-Office-SQL0
Set Operations2
Null Handling5
Conditional Expression17
Top N Results6
Control Flow Functions1
Arithmetic Operators3
Existence Check3
Conditional Logic11
Common Table Expressions (CTE) or Subquery17
String Functions2
Distinct and Unique Handling9
User Behavior6