Practice Interview Questions
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Twitter
Histogram of Tweets
LinkedIn
Data Science Skills
Facebook
Page With No Likes
Tesla
Unfinished Parts
New York Times
Laptop vs. Mobile Viewership
Average Post Hiatus (Part 1)
Microsoft
Teams Power Users
Linkedin
Duplicate Job Listings
Robinhood
Cities With Completed Trades
Amazon
Average Review Ratings
App Click-through Rate (CTR)
TikTok
Second Day Confirmation
IBM
IBM db2 Product Analytics
JPMorgan Chase
Cards Issued Difference
Alibaba
Compressed Mean
CVS Health
Pharmacy Analytics (Part 1)
Pharmacy Analytics (Part 2)
Pharmacy Analytics (Part 3)
UnitedHealth
Patient Support Analysis (Part 1)
Oracle
Who Made Quota?
FAANG
Well Paid Employees
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