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
BCG Gamma	Precision/Recall Tradeoff	Machine Learning	Easy
McKinsey	Assumptions of Linear Regression	Machine Learning	Easy
Blackstone	Real Estate Modelling	Machine Learning	Medium
LinkedIn	Connection Request Spam	Machine Learning	Medium
Robinhood	Modeling User Churn	Machine Learning	Hard

Easy

0/34

Medium

0/29

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