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Facebook
Active User Retention
Wayfair
Y-on-Y Growth Rate
Amazon
Maximize Prime Item Inventory
Google
Median Google Search Frequency
Advertiser Status
McKinsey
3-Topping Pizzas
UnitedHealth
Patient Support Analysis (Part 3)
Patient Support Analysis (Part 4)
Stripe
Repeated Payments
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Calculate Rates7
Array Functions2
Minimum/Maximum4
Date-Time Operations13
Mathematical Functions3
Aggregations24
Ace the Data Science Interview15
Type Conversion11
Categorize Data14
Window Functions11
Top X5
Existence Check5
Cumulative Sums0
SQL Series1
Conditional Aggregation8
String Functions2
Unique Results8
User Behavior5