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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
Stripe
Repeated Payments
Server Utilization Time
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Percentage Calculations6
Array Functions1
bball0
Date-Time Functions11
Mathematical Functions8
fun-run0
Aggregate Functions30
Ace the Data Science Interview15
Data Type Conversion11
Data Generation Functions0
Window Functions10
The-Office-SQL0
Set Operations8
Null Handling3
Conditional Expression13
Top N Results5
Control Flow Functions1
Existence Check6
Conditional Logic8
Common Table Expressions (CTE) or Subquery8
String Functions2
Distinct and Unique Handling8
User Behavior6