SQL & Data Interview Questions

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

CompanyTitleCategoryDifficulty
Netflix icon

Netflix

Lazy Movie Raters

ProbabilityMedium
Uber icon

Uber

User's Third Transaction

SQLMedium
FAANG icon

FAANG

Second Highest Salary

SQLMedium
Snapchat icon

Snapchat

Sending vs. Opening Snaps

SQLMedium
Twitter icon

Twitter

Tweets' Rolling Averages

SQLMedium
Akuna Capital icon

Akuna Capital

Consecutive Fives

StatisticsMedium
Amazon icon

Amazon

Highest-Grossing Items

SQLMedium
FAANG icon

FAANG

Top Three Salaries

SQLMedium
Spotify icon

Spotify

Top 5 Artists

SQLMedium
TikTok icon

TikTok

Signup Activation Rate

SQLMedium
Stripe icon

Stripe

Maximum Sum of a Matrix

PythonMedium
Palantir icon

Palantir

Integer to Roman

PythonMedium
Microsoft icon

Microsoft

Supercloud Customer

SQLMedium
Blackstone icon

Blackstone

Real Estate Modelling

Machine LearningMedium
D.E. Shaw icon

D.E. Shaw

Maximum Product of Three Numbers

PythonMedium
Amazon icon

Amazon

Two Sum

PythonMedium
Facebook icon

Facebook

Largest Prime Factor

PythonMedium
Google icon

Google

Smallest Multiple

PythonMedium
AQR icon

AQR

Pearson Correlation Coefficient

PythonMedium
Akuna Capital icon

Akuna Capital

Largest Contiguous Subarray Sum

PythonMedium
D.E. Shaw icon

D.E. Shaw

Biased Coin?

StatisticsMedium
Google icon

Google

Odd and Even Measurements

SQLMedium
Zomato icon

Zomato

Swapped Food Delivery

SQLMedium
Bloomberg icon

Bloomberg

FAANG Stock Min-Max (Part 1)

SQLMedium
Walmart icon

Walmart

Histogram of Users and Purchases

SQLMedium
Alibaba icon

Alibaba

Compressed Mode

SQLMedium
JPMorgan Chase icon

JPMorgan Chase

Card Launch Success

SQLMedium
Verizon icon

Verizon

International Call Percentage

SQLMedium
UnitedHealth icon

UnitedHealth

Patient Support Analysis (Part 2)

SQLMedium
LinkedIn icon

LinkedIn

Connection Request Spam

Machine LearningMedium

Your Progress

0%

Easy

0/35

Medium

0/30

Hard

0/13

Tags

Percentage Calculations

7

Joins

10

Array Functions

1

bball

0

Date-Time Functions

13

Mathematical Functions

9

fun-run

0

Aggregate Functions

35

Ace the Data Science Interview

15

Data Type Conversion

13

Data Generation Functions

0

Window Functions

12

The-Office-SQL

0

Set Operations

2

Null Handling

5

Conditional Expression

16

Top N Results

6

Control Flow Functions

1

Arithmetic Operators

3

Existence Check

3

Conditional Logic

10

Common Table Expressions (CTE) or Subquery

17

String Functions

2

Distinct and Unique Handling

9

User Behavior

6

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