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Present Kaggle-Style Analysis
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Present Kaggle-Style Analysis

MediumSQL · PostgreSQL

Problem

Present a Kaggle-like data analysis.

Using the supplied transaction and merchant data, identify the top two merchants by monthly completed transaction value during the first quarter of 2025. Exclude declined transactions, unmatched merchants, and merchants whose monthly completed value is below 100.

Output

  1. One row per qualifying merchant-month.
  2. Columns: month, merchant_id, merchant_name, transaction_count, total_amount, and monthly_rank.
  3. Order by month ascending, monthly_rank ascending, and merchant_id ascending.

Schema

merchants
ColumnTypeDescription
merchant_idPKINTUnique merchant identifier
merchant_nameVARCHAR(100)Merchant display name
regionVARCHAR(50)Merchant operating region
transactions
ColumnTypeDescription
transaction_idPKINTUnique transaction identifier
merchant_idINTMerchant associated with the transaction
transaction_dateDATETransaction processing date
statusVARCHAR(20)Transaction processing status
amountNUMERIC(12,2)Transaction amount
Tablestransactionsmerchants
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