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Window Functions for Top Shows
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Window Functions for Top Shows

MediumSQL · PostgreSQL

Problem

Write a query utilizing window functions to rank the top three most-watched TV shows in each genre for a given week.

Use the week beginning 2025-01-06. Include only shows with a non-null genre and viewing records from that week.

Output

  1. One row per qualifying show, with genre, show_title, total_views, and genre_rank.
  2. Include up to three shows per genre, ordered by genre, rank, and show title.

Schema

shows
ColumnTypeDescription
show_idPKINTUnique identifier for the TV show
show_titleVARCHAR(150)Title of the TV show
genreVARCHAR(50)Primary genre assigned to the show
weekly_show_views
ColumnTypeDescription
view_record_idPKINTUnique identifier for the weekly viewing record
show_idINTReferences the viewed show
week_startDATEFirst day of the reporting week
view_countINTNumber of views recorded during the week
Tablesshowsweekly_show_views
Interviewer

Your question is Window Functions for Top Shows. Start with the requirements and the two tables in the Question tab.

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