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Compare Spend Across Card Segments
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Compare Spend Across Card Segments

MediumSQL · PostgreSQL

Problem

Write a PostgreSQL query that compares Q1 2024 spend across customer segments using Card Member transaction data. Return one row per segment with active customer count, total spend, average spend per active customer, and a label showing whether the segment is above or below the average segment spend for the quarter.

Schema

customer_segments
ColumnTypeDescription
customer_id
segment_name
enrollment_channel
amex_cards
ColumnTypeDescription
card_id
customer_id
card_product
open_date
card_transactions
ColumnTypeDescription
transaction_id
card_id
transaction_date
amount
merchant_category
Tablescustomer_segmentsamex_cardscard_transactions
Interviewer

Your question is Compare Spend Across Card Segments. Start with the requirements and the three tables in the Question tab.

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