SQL & Data Interview Questions

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

CompanyTitleCategoryDifficulty
Twitter icon

Twitter

Histogram of Tweets

SQLEasy
LinkedIn icon

LinkedIn

Data Science Skills

SQLEasy
Facebook icon

Facebook

Page With No Likes

SQLEasy
Tesla icon

Tesla

Unfinished Parts

SQLEasy
New York Times icon

New York Times

Laptop vs. Mobile Viewership

SQLEasy
Facebook icon

Facebook

Coin Fairness Test

StatisticsEasy
BCG Gamma icon

BCG Gamma

Precision/Recall Tradeoff

Machine LearningEasy
Facebook icon

Facebook

Average Post Hiatus (Part 1)

SQLEasy
Microsoft icon

Microsoft

Teams Power Users

SQLEasy
Visa icon

Visa

4 Rolls To 4

StatisticsEasy
Microsoft icon

Microsoft

Factorial Formula

PythonEasy
Google icon

Google

Fizz Buzz Sum

PythonEasy
Palantir icon

Palantir

Roman to Integer

PythonEasy
Amazon icon

Amazon

Intersection of Two Lists

PythonEasy
Bloomberg icon

Bloomberg

Collatz Sequence Steps

PythonEasy
LinkedIn icon

LinkedIn

Duplicate Job Listings

SQLEasy
Robinhood icon

Robinhood

Cities With Completed Trades

SQLEasy
Apple icon

Apple

Contains Duplicate

PythonEasy
Facebook icon

Facebook

Straight Line

PythonEasy
Capital One icon

Capital One

Base 13 Conversion

PythonEasy
Amazon icon

Amazon

Average Review Ratings

SQLEasy
FAANG icon

FAANG

Well Paid Employees

SQLEasy
Uber icon

Uber

Pascals Triangle

PythonEasy
Facebook icon

Facebook

App Click-through Rate (CTR)

SQLEasy
TikTok icon

TikTok

Second Day Confirmation

SQLEasy
Spotify icon

Spotify

Is Palindrome

PythonEasy
IBM icon

IBM

IBM db2 Product Analytics

SQLEasy
JPMorgan Chase icon

JPMorgan Chase

Cards Issued Difference

SQLEasy
Alibaba icon

Alibaba

Compressed Mean

SQLEasy
CVS Health icon

CVS Health

Pharmacy Analytics (Part 1)

SQLEasy
CVS Health icon

CVS Health

Pharmacy Analytics (Part 2)

SQLEasy
CVS Health icon

CVS Health

Pharmacy Analytics (Part 3)

SQLEasy
McKinsey icon

McKinsey

Assumptions of Linear Regression

Machine LearningEasy
Oracle icon

Oracle

Arithmetic Triplets

PythonEasy
UnitedHealth icon

UnitedHealth

Patient Support Analysis (Part 1)

SQLEasy

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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