Practice Interview Questions
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Uber
User's Third Transaction
FAANG
Second Highest Salary
Snapchat
Sending vs. Opening Snaps
Twitter
Tweets' Rolling Averages
Amazon
Highest-Grossing Items
Top Three Salaries
Spotify
Top 5 Artists
TikTok
Signup Activation Rate
Microsoft
Supercloud Customer
Google
Odd and Even Measurements
Walmart
Histogram of Users and Purchases
Alibaba
Compressed Mode
JPMorgan Chase
Card Launch Success
Verizon
International Call Percentage
UnitedHealth
Patient Support Analysis (Part 2)
Bloomberg
FAANG Stock Min-Max (Part 1)
Zomato
Swapped Food Delivery
Easy
0/21
Medium
0/17
Hard
0/9
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