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SQL & Data Interview Questions

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

CompanyTitleCategoryDifficulty

Netflix

Lazy Movie Raters

ProbabilityMedium

Uber

User's Third Transaction

SQLMedium

FAANG

Second Highest Salary

SQLMedium

Snapchat

Sending vs. Opening Snaps

SQLMedium

Twitter

Tweets' Rolling Averages

SQLMedium

Akuna Capital

Consecutive Fives

StatisticsMedium

Amazon

Highest-Grossing Items

SQLMedium

FAANG

Top Three Salaries

SQLMedium

Spotify

Top 5 Artists

SQLMedium

TikTok

Signup Activation Rate

SQLMedium

Stripe

Maximum Sum of a Matrix

PythonMedium

Microsoft

Supercloud Customer

SQLMedium

Blackstone

Real Estate Modelling

Machine LearningMedium

D.E. Shaw

Maximum Product of Three Numbers

PythonMedium

Amazon

Two Sum

PythonMedium

Facebook

Largest Prime Factor

PythonMedium

Google

Smallest Multiple

PythonMedium

AQR

Pearson Correlation Coefficient

PythonMedium

Akuna Capital

Largest Contiguous Subarray Sum

PythonMedium

D.E. Shaw

Biased Coin?

StatisticsMedium

Google

Odd and Even Measurements

SQLMedium

Walmart

Histogram of Users and Purchases

SQLMedium

Alibaba

Compressed Mode

SQLMedium

JPMorgan Chase

Card Launch Success

SQLMedium

Verizon

International Call Percentage

SQLMedium

UnitedHealth

Patient Support Analysis (Part 2)

SQLMedium

LinkedIn

Connection Request Spam

Machine LearningMedium

Zomato

Swapped Food Delivery

SQLMedium

Bloomberg

FAANG Stock Min-Max (Part 1)

SQLMedium

Your Progress

0%

Easy

0/34

Medium

0/29

Hard

0/13

Tags

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