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Catalog Snapshot Report

intermediate~10 min25 pts
📊 View Insights

Problem

Generate a single-row "catalog overview" for the platform's daily dashboard.

Schema: Track

ColumnType
TrackIdINTEGER (Primary Key)
NameTEXT NOT NULL
AlbumIdINTEGER
GenreIdINTEGER
ComposerTEXT
MillisecondsINTEGER NOT NULL
UnitPriceNUMERIC(10,2) NOT NULL

Requirements (one row, five columns):

  • TotalTracks: total number of tracks
  • DistinctGenres: how many distinct GenreId values appear
  • DistinctAlbums: how many distinct AlbumId values appear
  • TotalArtists: total count of rows in the Artist table (use a scalar subquery)
  • AvgPrice: average UnitPrice across all tracks, rounded to 2 decimal places
COUNTCOUNT DISTINCTScalar SubqueryAVGAliasesAggregationFlipkart
📊
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Related questions

  • Column Aliases for Readabilitybeginner
  • Total Track Countbeginner
  • Track Count by Genreintermediate
  • Average Song Duration by Genreintermediate
  • Tracks Above Average Pricebeginner
  • Correlated Subquery: Above Genre Averageintermediate
  • Scalar Subquery in SELECTbeginner
  • CASE: Create Price Tiersbeginner
SQL Editor

Run your code to see the result here.

Topfolio

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  • Data Analyst vs Data Engineer vs Data Scientist

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  • AI Proctoring Demo
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company

  • About
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