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SQL for Market Metrics
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SQL for Market Metrics

MediumSQL · PostgreSQL

Problem

Write a SQL query to analyze market data and summarize key metrics by product and date.

Use the provided products and market_data tables. Include only records associated with a known product, and preserve rows even when nullable market values affect individual metrics.

Output

  1. One row per product and market date.
  2. Columns: product_id, product_name, market_date, trade_count, priced_trade_count, total_volume, avg_price, high_price, low_price, and vwap.
  3. Sort by product_name, then market_date, then product_id.

Schema

products
ColumnTypeDescription
product_idPKINTUnique market product identifier
product_nameVARCHAR(100)Market product name
asset_classVARCHAR(50)Product asset class
market_data
ColumnTypeDescription
market_data_idPKINTUnique market observation identifier
product_idINTReferenced market product identifier
market_dateDATEDate of the market observation
priceNUMERIC(18,4)Observed market price
volumeNUMERIC(20,2)Observed traded volume
Tablesproductsmarket_data
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