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	Status
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

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Tags

Distinct and Unique Handling

23

Aggregate Functions

84

Set Operations

16

Data Type Conversion

29

Null Handling

7

Percentage Calculations

20

Array Functions

3

Ace the Data Science Interview

28

String Functions

5

Date-Time Functions

30

Control Flow Functions

1

User Behavior

14

Common Table Expressions (CTE) or Subquery

40

Window Functions

38

Data Generation Functions

1

Joins

12

Existence Check

9

Mathematical Functions

20

Conditional Expression

39

Arithmetic Operators

4

Top N Results

12

Conditional Logic

30