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SQL Top 10 Counties by Population
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SQL Top 10 Counties by Population

EasySQL · PostgreSQL

Problem

Write a SQL query to retrieve the top 10 counties by population from a dataset.

Use the counties table. Include only counties with a recorded population.

Output

  1. One row per county
  2. Columns: county_name, population
  3. Return the 10 largest populations, ordered from highest to lowest, with county name ascending as the tie-breaker.

Schema

counties
ColumnTypeDescription
county_idPKINTUnique identifier for the county
county_nameVARCHAR(100)County name
populationBIGINTRecorded county population
Tablescounties
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